# PinoutDatabase > PinoutDatabase (https://pinoutdb.org) is a free, high-performance reference platform for electronic pinouts, microcontroller pinouts, integrated circuits (ICs), connectors, and developer tools. All diagrams feature bidirectional interactive pin highlighting, multiplexed signal reference tables, and instant SVG/PNG exports. ## Canonical Resources - Website (German): https://pinoutdb.org - Website (English): https://pinoutdb.org/en - Full Content & Complete Pin Tables: https://pinoutdb.org/llms-full.txt - Dedicated Web Tools Directory for LLMs: https://pinoutdb.org/tools/llms.txt - Dedicated Web Tools Full Reference: https://pinoutdb.org/tools/llms-full.txt - Sitemap: https://pinoutdb.org/sitemap.xml - OpenSearch: https://pinoutdb.org/opensearch.xml ## Main Categories - [Development Boards & MCUs](https://pinoutdb.org/en/boards): Microcontroller boards (Arduino, Raspberry Pi, ESP32, Teensy, STM32) with GPIO mappings. - [Modules & Breakouts](https://pinoutdb.org/en/modules): Computer-on-Modules (SMARC 2.2), wireless modules (NRF24L01, ESP-01), motor drivers (A4988, TMC2209), and displays. - [Integrated Circuits & Chips](https://pinoutdb.org/en/chips): Logic ICs (74HC series, CD4000 series), op-amps, voltage regulators, and sensors. - [Connectors & Ports](https://pinoutdb.org/en/connectors): Hardware interfaces (USB-C, HDMI, DisplayPort, Ethernet RJ45, SATA, PCIe, ATX power). - [Web Tools & Engineering Calculators](https://pinoutdb.org/en/tools): 100% client-side engineering tools (resistor calculators, subnet calculators, color extractors, audio/video tools). ## Development Boards & Microcontrollers - [Arduino Mega 2560 R3 (Arduino)](https://pinoutdb.org/en/component/arduino-mega-2560): Microcontroller board based on the ATmega2560 featuring 54 digital input/output pins (of which 15 can be used as PWM outputs), 16 analog inputs, 4 hardware UART serial ports, a 16 MHz crystal oscillator, USB connection, a power jack, an ICSP header, and a reset button. - [Arduino Nano V3 (Arduino)](https://pinoutdb.org/en/component/arduino-nano): Compact, breadboard-friendly 8-bit AVR development board based on the ATmega328P with 30-pin dual-inline layout, mini-USB / USB-C, 8 analog inputs, and onboard 5V regulator. - [Arduino Pro Mini (ATmega328P) (SparkFun / Arduino)](https://pinoutdb.org/en/component/arduino-pro-mini): Minimalist 8-bit AVR microcontroller board based on the ATmega328P running at 16 MHz (5V) or 8 MHz (3.3V) with no onboard USB, optimized for permanent installation and low power. - [Arduino Uno R3 (Arduino)](https://pinoutdb.org/en/component/arduino-uno-r3): The flagship microcontroller board based on the ATmega328P featuring 14 digital I/O pins (6 PWM), 6 analog inputs, 16 MHz quartz crystal, USB connection, power jack, and ICSP header. - [ESP32 DevKit V1 (38-Pin) (Espressif Systems)](https://pinoutdb.org/en/component/esp32-devkit-v1): Widely used 2.4 GHz Wi-Fi and Bluetooth development board powered by the dual-core Tensilica Xtensa 32-bit LX6 microprocessor with 38 total pins. - [ESP32-S3 DevKitC-1 (44-Pin) (Espressif Systems)](https://pinoutdb.org/en/component/esp32-s3-devkitc-1): Next-generation 2.4 GHz Wi-Fi and Bluetooth 5 (LE) development board powered by the dual-core Xtensa 32-bit LX7 microprocessor with AI vector instructions and USB-OTG. - [NodeMCU V2 (ESP8266 / ESP-12E) (Espressif Systems)](https://pinoutdb.org/en/component/esp8266-nodemcu): Popular Wi-Fi development board powered by the ESP8266 32-bit Tensilica L106 microcontroller running at 80/160 MHz, with integrated USB-UART, 4MB Flash, and 30 breadboard-friendly pins. - [Raspberry Pi 4 Model B (Raspberry Pi Ltd)](https://pinoutdb.org/en/component/raspberry-pi-4b): Popular single-board computer featuring a 1.5 GHz 64-bit quad-core ARM Cortex-A72 processor (Broadcom BCM2711), dual 4K micro-HDMI, Gigabit Ethernet, USB 3.0, and 40-pin GPIO header. - [Raspberry Pi 5 (Raspberry Pi Ltd)](https://pinoutdb.org/en/component/raspberry-pi-5): Latest single-board computer featuring a 2.4 GHz 64-bit quad-core ARM Cortex-A76 processor (Broadcom BCM2712), dual micro-HDMI, Gigabit Ethernet, USB 3.0, PCIe 2.0 x1, and 40-pin GPIO header. - [Raspberry Pi Pico W (Wi-Fi & Bluetooth) (Raspberry Pi Ltd)](https://pinoutdb.org/en/component/raspberry-pi-pico-w): High-performance wireless microcontroller board built around the RP2040 dual-core ARM Cortex-M0+ processor and an Infineon CYW43439 wireless chip supporting 2.4GHz 802.11n Wi-Fi 4 and Bluetooth 5.2 (BLE). Features 26 multifunction GPIOs, 3 ADC channels, 2MB onboard flash, and 8 Programmable I/O (PIO) state machines. - [Raspberry Pi Pico (RP2040) (Raspberry Pi Ltd)](https://pinoutdb.org/en/component/raspberry-pi-pico): High-performance microcontroller board built around the Raspberry Pi RP2040 dual-core ARM Cortex-M0+ processor at 133 MHz with 2MB QSPI flash, 26 multifunction GPIOs, 3 ADCs, and Programmable I/O (PIO). - [Seeed Studio XIAO ESP32-C3 Development Board (Seeed Studio / Espressif)](https://pinoutdb.org/en/component/seeed-xiao-esp32c3): Thumb-sized (21 x 17.5 mm) IoT development board powered by the Espressif ESP32-C3 32-bit RISC-V single-core processor at up to 160 MHz. Features 2.4GHz Wi-Fi 4, Bluetooth 5.0 (BLE), integrated battery charging management, USB-C, and 14 breadboard-friendly GPIO pins. - [STM32F103C8T6 'Blue Pill' Board (STMicroelectronics / Generic)](https://pinoutdb.org/en/component/stm32f103c8t6-bluepill): Popular low-cost 32-bit ARM Cortex-M3 development board featuring 72 MHz clock, 64KB Flash, 20KB SRAM, USB 2.0 Full Speed, and 40 breadboard-friendly pins. - [PJRC Teensy 4.0 (ARM Cortex-M7) (PJRC)](https://pinoutdb.org/en/component/teensy-4-0): Ultra high-performance development board featuring an ARM Cortex-M7 processor at 600 MHz (NXP i.MX RT1062), 2048K Flash, 1024K RAM, 40 total I/O pins, and hardware floating-point support. ## Modules & Breakout Boards (CoMs, Wireless, Drivers) - [A4988 DMOS Stepper Motor Driver (StepStick) (Allegro MicroSystems / Pololu)](https://pinoutdb.org/en/component/a4988): Complete microstepping motor driver with built-in translator, adjustable current limiting, over-current and over-temperature protection, and 5 step resolutions down to 1/16-step. - [ADS1115 16-Bit 4-Channel Precision ADC Module (Texas Instruments)](https://pinoutdb.org/en/component/ads1115): Ultra-small, low-power 16-bit precision Analog-to-Digital Converter with internal reference, oscillator, programmable gain amplifier (PGA), and I2C interface. - [DRV8825 Stepper Motor Controller (StepStick) (Texas Instruments / Pololu)](https://pinoutdb.org/en/component/drv8825): High-current microstepping bipolar stepper driver with built-in indexing translator, supporting up to 2.5A peak per coil, 45V motor supply, and 1/32 microstepping. - [ESP8266 ESP-01 / ESP-01S Wi-Fi Module (Espressif Systems / Ai-Thinker)](https://pinoutdb.org/en/component/esp8266-esp01): Ultra-compact 2.4 GHz Wi-Fi module with integrated TCP/IP stack, 32-bit Tensilica MCU, and 2x4 (8-pin) 2.54mm pitch header. - [HD44780 1602 / 2004 Character LCD Interface (Hitachi / Generic)](https://pinoutdb.org/en/component/hd44780-1602-lcd): Industry standard 16-pin interface for dot-matrix alphanumeric LCD modules (16x2, 20x4) based on the Hitachi HD44780 controller, supporting 4-bit and 8-bit parallel modes. - [LM2596 SIMPLE SWITCHER 3A Step-Down Voltage Regulator (Texas Instruments / onsemi)](https://pinoutdb.org/en/component/lm2596): 3A step-down switching voltage regulator operating at 150 kHz switching frequency, widely available as TO-220-5 IC and adjustable DC-DC buck converter module. - [nRF24L01+ 2.4GHz Wireless Transceiver Module (Nordic Semiconductor)](https://pinoutdb.org/en/component/nrf24l01-plus): Ultra low-power 2Mbps 2.4 GHz RF transceiver with Enhanced ShockBurst hardware protocol accelerator and 2x4 (8-pin) male header. - [PAM8403 2x3W Class-D Stereo Audio Amplifier Module (Diodes Incorporated / Generic)](https://pinoutdb.org/en/component/pam8403): Filterless 3W stereo Class-D audio amplifier operating from 2.5V to 5.5V DC, delivering high efficiency (up to 90%) and low noise without bulky output low-pass filters. - [PCA9685 16-Channel 12-Bit PWM / Servo Driver (NXP Semiconductors / Adafruit)](https://pinoutdb.org/en/component/pca9685): I2C-bus controlled 16-channel LED and PWM controller optimized for RGB/RGBA color backlighting and 12-bit servo motor control up to 1.6 kHz. - [Raspberry Pi Compute Module 3+ (CM3+ / CM3 / CM1) (Raspberry Pi Ltd)](https://pinoutdb.org/en/component/raspberry-pi-compute-module-3-plus): Standard DDR2-SODIMM 200-pin System on Module powered by Broadcom BCM2837B0 64-bit quad-core Cortex-A53 @ 1.2GHz, 1GB LPDDR2 RAM, and optional 8GB/16GB/32GB eMMC Flash (or Lite). Pin-compatible with CM1 and CM3. - [Raspberry Pi Compute Module 4 (CM4 / CM4Lite) (Raspberry Pi Ltd)](https://pinoutdb.org/en/component/raspberry-pi-compute-module-4): System-on-Module powered by Broadcom BCM2711 quad-core Cortex-A72 @ 1.5GHz, up to 8GB LPDDR4, optional eMMC, PCIe Gen2 x1, Gigabit Ethernet, dual HDMI 4Kp60, via two 100-pin Hirose DF40 board-to-board connectors. - [Raspberry Pi Compute Module 4S (CM4S) (Raspberry Pi Ltd)](https://pinoutdb.org/en/component/raspberry-pi-compute-module-4s): Drop-in upgrade for CM1/CM3/CM3+ SODIMM carrier boards featuring the Raspberry Pi 4 BCM2711 quad-core Cortex-A72 @ 1.5GHz processor, up to 8GB LPDDR4-3200 SDRAM, and eMMC in the 200-pin SODIMM form factor. - [Raspberry Pi Compute Module 5 (CM5 / CM5Lite) (Raspberry Pi Ltd)](https://pinoutdb.org/en/component/raspberry-pi-compute-module-5): High-performance System-on-Module powered by Broadcom BCM2712 quad-core Cortex-A76 @ 2.4GHz and RP1 I/O controller, up to 16GB LPDDR4x-4267, optional eMMC, PCIe Gen2 x1, Gigabit Ethernet, dual 4Kp60 HDMI, dual 4-lane MIPI, dual USB 3.0 via two 100-pin Hirose DF40 connectors. - [Raspberry Pi Compute Module Zero (CM0 / CM0Lite) (Raspberry Pi Ltd)](https://pinoutdb.org/en/component/raspberry-pi-compute-module-zero): Compact 39mm x 33mm System-on-Module based on Raspberry Pi Zero 2 W with RP3A0 SiP (quad-core 64-bit BCM2837 @ 1GHz, 512MB LPDDR2, optional 8GB/16GB eMMC or Lite) featuring 132 castellated edge pins at 1mm pitch. - [RC522 13.56 MHz RFID / NFC Reader Module (MFRC522) (NXP Semiconductors / Generic)](https://pinoutdb.org/en/component/rc522): Popular contactless 13.56 MHz RFID reader/writer module based on the MFRC522 IC, supporting ISO/IEC 14443 A / MIFARE cards via SPI interface. - [SMARC 2.2 Computer-on-Module Pinout (SGeT e.V.)](https://pinoutdb.org/en/component/smarc-2-2): Standardized 314-pin edge connector pinout specification for Smart Mobility ARChitecture (SMARC 2.2) Computer-on-Modules (82x50mm & 82x80mm). Defines LVDS/eDP/DSI, HDMI/DP++, 4x PCIe, 2x GBE, 6x USB 2.0/3.2, 4x MIPI-CSI, SATA, SPI/eSPI/QSPI, audio, serial and power management signals. - [SSD1306 0.96" I2C / SPI OLED Display Module (Solomon Systech / Generic)](https://pinoutdb.org/en/component/ssd1306-0-96-oled): Standard monochrome 128x64 dot matrix OLED display module driven by the SSD1306 controller with built-in charge pump and support for 4-pin I2C and 7-pin SPI pinouts. - [TMC2209 SilentStepStick Stepper Motor Driver (Trinamic / Analog Devices / BigTreeTech)](https://pinoutdb.org/en/component/tmc2209): Ultra-silent motor driver IC for two-phase stepper motors with StealthChop2, SpreadCycle, CoolStep, StallGuard4 sensorless homing, and UART single-wire tuning. - [TP4056 1A Li-Ion Battery Charger Module (NanJing Top Power / Generic)](https://pinoutdb.org/en/component/tp4056): Complete constant-current/constant-voltage linear charger for single-cell lithium-ion batteries with integrated DW01A / FS8205A overcharge, overdischarge, and overcurrent protection. ## Integrated Circuits & Chips (ICs, Logic, Power, Op-Amps) - [24LC16B 16Kb I2C Serial EEPROM (Microchip Technology)](https://pinoutdb.org/en/component/24lc16): I2C Serial EEPROM, 16Kb (2048 x 8), 2.5–5.5V, DIP-8/SOIC-8/TSSOP-8. Address pins A0–A2 are No Connect (NC), block addressing is handled internally via the I2C address byte. - [24LC256 256Kb I2C Compatible 2-Wire Serial EEPROM (Microchip Technology)](https://pinoutdb.org/en/component/24lc256): I2C Serial EEPROM, 256Kb (32768 x 8), 2.5–5.5V, DIP-8/SOIC-8/TSSOP-8/DFN-8. Up to 8 devices on one bus via A0–A2 address pins. - [25LC256 / 25LCxxx SPI Serial EEPROM Family (Microchip Technology)](https://pinoutdb.org/en/component/25lcxxx): SPI Serial EEPROM family (25LC010A–25LC1024), 1.8–5.5V, DIP-8/SOIC-8/TSSOP-8. Pinout identical across the family. - [2N2222A / PN2222 NPN Bipolar Transistor (onsemi / Fairchild / ST)](https://pinoutdb.org/en/component/2n2222a): Ubiquitous NPN silicon planar bipolar junction transistor for high-speed medium-power switching and general-purpose amplifier applications. Max 40V, 800mA, 500mW. - [2N3904 NPN General-Purpose Bipolar Transistor (onsemi / Fairchild / ST)](https://pinoutdb.org/en/component/2n3904): Widely used general-purpose NPN bipolar junction transistor for low-power amplification and switching. Max 40V, 200mA, 625mW. Complementary pair to 2N3906 (PNP). - [2N3906 PNP General-Purpose Bipolar Transistor (onsemi / Fairchild / ST)](https://pinoutdb.org/en/component/2n3906): Widely used general-purpose PNP bipolar junction transistor for medium-speed switching and amplification. Max -40V, -200mA, 625mW. Complementary pair to 2N3904 (NPN). - [2N7000 60V 200mA N-Channel Enhancement Mode MOSFET (onsemi / Vishay)](https://pinoutdb.org/en/component/2n7000): N-channel enhancement mode field-effect transistor produced using high cell density, DMOS technology. Ideal for low-voltage, low-current switching applications such as small servo motor controls and power MOSFET gate drivers. - [CD4011B Quad 2-Input NAND Gate (Texas Instruments / RCA)](https://pinoutdb.org/en/component/4011): Quad 2-input NAND gate in CMOS logic. 3–18V supply. Each gate output is the inverted AND of its two inputs. Pin-compatible with 74HC00. - [CD4017B Decade Counter with 10 Decoded Outputs (Texas Instruments / RCA)](https://pinoutdb.org/en/component/4017): 5-stage Johnson counter with 10 decoded outputs. Advances on rising clock edge. 3–18V supply. Used in LED chasers, sequencers, and frequency dividers. - [CD4066B Quad Bilateral Analog Switch (Texas Instruments / RCA)](https://pinoutdb.org/en/component/4066): Four independent bidirectional analog switches. Each switch passes analog or digital signals in both directions when the control input is HIGH. 3–18V supply, Ron typically 80Ω. - [74HC00 Quad 2-Input NAND Gate (Texas Instruments)](https://pinoutdb.org/en/component/74hc00): Quad 2-input NAND gate in high-speed CMOS logic. 2–6V supply. Each gate output is the inverted AND of its two inputs. Pin-compatible with 74LS00 and CD4011B. - [74HC02 Quad 2-Input NOR Gate (Texas Instruments / Nexperia / onsemi)](https://pinoutdb.org/en/component/74hc02): High-speed CMOS quad 2-input NOR gate with output drive capability of 10 LSTTL loads. Operating voltage 2V to 6V. - [74HC04 Hex Inverter (Texas Instruments)](https://pinoutdb.org/en/component/74hc04): Six independent single-input inverter gates in high-speed CMOS logic. 2–6V supply. Each gate output is the logic complement of its input. Pin-compatible with 74LS04. - [74HC08 Quad 2-Input AND Gate (Texas Instruments / Nexperia / onsemi)](https://pinoutdb.org/en/component/74hc08): High-speed CMOS quad 2-input AND gate. Pin-compatible upgrade to 74LS08 with lower power consumption and wider voltage range (2V to 6V). - [74HC125 Quad 3-State Non-Inverting Buffer (Texas Instruments / Nexperia)](https://pinoutdb.org/en/component/74hc125): Quadruple bus buffer gates with independent active-low output enables (~OE), frequently used for bus multiplexing and SPI chip-select isolation. - [74HC138 3-to-8 Line Decoder / Demultiplexer (Texas Instruments)](https://pinoutdb.org/en/component/74hc138): 3-to-8 line decoder with active-low outputs. Three enable inputs (two active-low ~G2A/~G2B, one active-high G1) allow easy cascading. Complement of 74HC238 (active-high outputs). - [74HC139 Dual 2-to-4 Line Decoder/Demultiplexer (Texas Instruments)](https://pinoutdb.org/en/component/74hc139): High-speed silicon-gate CMOS dual 2-to-4 line decoder/demultiplexer. Features active-low enable inputs and active-low decoded outputs. Ideal for memory address decoding. - [74HC14 Hex Inverting Schmitt Trigger (Texas Instruments)](https://pinoutdb.org/en/component/74hc14): Six independent Schmitt-trigger inverters in high-speed CMOS. 2–6V supply. Same pin-out as 74HC04 but with hysteresis on each input, making it suitable for noisy or slow-rising signals and oscillator circuits. - [74HC151 8-Input Data Selector / Multiplexer (Texas Instruments)](https://pinoutdb.org/en/component/74hc151): High-speed silicon-gate CMOS 8-channel data selector/multiplexer. Decodes 3 binary address inputs (S0, S1, S2) to select one of eight data sources (D0 through D7) with complementary true (Y) and inverted (~W) outputs. - [74HC153 Dual 4-to-1 Line Data Selector/Multiplexer (Texas Instruments)](https://pinoutdb.org/en/component/74hc153): Dual 4-line to 1-line data selector/multiplexer with common select inputs and separate active-low enable inputs for each section. - [74HC157 Quad 2-Line to 1-Line Data Selector/Multiplexer (Texas Instruments)](https://pinoutdb.org/en/component/74hc157): Quad 2-line to 1-line multiplexer with non-inverting outputs, common select input, and common active-low strobe/enable. - [74HC161 Synchronous 4-Bit Binary Counter (Asynchronous Clear) (Texas Instruments)](https://pinoutdb.org/en/component/74hc161): Synchronous presettable 4-bit binary counter with asynchronous master reset, look-ahead carry outputs, and synchronous parallel loading. - [74HC164 8-Bit Serial-In / Parallel-Out Shift Register (Texas Instruments / Nexperia / onsemi)](https://pinoutdb.org/en/component/74hc164): High-speed CMOS 8-bit serial-in parallel-out shift register with two AND-gated serial inputs and asynchronous master reset. No output latch (unlike 74HC595). - [74HC165 8-Bit Parallel-In / Serial-Out Shift Register (Texas Instruments)](https://pinoutdb.org/en/component/74hc165): 8-bit parallel-load shift register. Pull ~PL LOW to latch parallel inputs D0–D7; then clock out serially via Q7 (or its complement ~Q7). ~CE (clock enable, Active Low) gates the clock. Commonly chained for reading multiple buttons or sensors over SPI. - [74HC193 Synchronous 4-Bit Binary Up/Down Counter (Texas Instruments / Nexperia)](https://pinoutdb.org/en/component/74hc193): Synchronous 4-bit reversible up/down binary counter with separate Count-Up and Count-Down clocks, asynchronous parallel load (~PL), asynchronous master reset (MR), and cascade outputs. - [74HC238 3-to-8 Line Decoder / Demultiplexer (Texas Instruments / Nexperia)](https://pinoutdb.org/en/component/74hc238): High-speed 3-to-8 line decoder/demultiplexer with active-high outputs (complement of 74HC138) and three enable inputs (two active-low and one active-high). - [74HC244 Octal Buffer/Line Driver with 3-State Outputs (Texas Instruments)](https://pinoutdb.org/en/component/74hc244): Octal non-inverting buffer and line driver designed to drive bus lines or memory address registers. Features two 4-bit sections with independent active-low output enables. - [74HC245 Octal Bus Transceiver with 3-State Outputs (Texas Instruments)](https://pinoutdb.org/en/component/74hc245): Octal bidirectional bus transceiver with 3-state outputs. DIR controls data direction (HIGH = A→B, LOW = B→A). ~OE (Active Low) disables all outputs to high-impedance. Widely used for 3.3V↔5V level translation. - [74HC373 Octal Transparent D-Type Latch with 3-State Outputs (Texas Instruments)](https://pinoutdb.org/en/component/74hc373): Octal transparent D-type latch with 3-state outputs. When Latch Enable (LE) is high, outputs follow inputs. When LE goes low, inputs are latched. - [74HC374 Octal Edge-Triggered D-Type Flip-Flop with 3-State Outputs (Texas Instruments)](https://pinoutdb.org/en/component/74hc374): Octal edge-triggered D-type flip-flop with 3-state true outputs. Data is transferred to outputs on the low-to-high transition of the clock pulse. - [74HC393 Dual 4-Bit Binary Ripple Counter (Texas Instruments / Nexperia)](https://pinoutdb.org/en/component/74hc393): Dual 4-bit binary ripple counter with individual clock (~CP) and master reset (MR) inputs for each 4-bit stage (can be cascaded for 8-bit counting). - [74HC4051 8-Channel Analog Multiplexer / Demultiplexer (Texas Instruments / Nexperia)](https://pinoutdb.org/en/component/74hc4051): Single 8-channel bidirectional analog switch (multiplexer/demultiplexer). Address pins S0/S1/S2 select one of 8 channels (Y0–Y7) to connect to the common I/O (Z). ~E disables all switches. VEE allows bipolar analog signals; tie to GND for 0–5V operation. - [74HC4052 Dual 4-Channel Analog Multiplexer / Demultiplexer (NXP Semiconductors)](https://pinoutdb.org/en/component/74hc4052): Dual 4-channel analog multiplexer/demultiplexer with common channel select logic and active-low enable. Supports bidirectional signal routing of digital and analog voltages up to 10V with low ON resistance and break-before-make switching. - [74HC4053 Triple 2-Channel Analog Multiplexer / Demultiplexer (NXP Semiconductors)](https://pinoutdb.org/en/component/74hc4053): Triple 2-channel analog multiplexer/demultiplexer (three independent SPDT analog switches) with three separate digital select inputs and a common enable input. Designed for analog and digital signal switching up to 10V peak-to-peak. - [74HC541 Octal 3-State Non-Inverting Buffer / Line Driver (Texas Instruments / Nexperia)](https://pinoutdb.org/en/component/74hc541): Octal non-inverting buffer and line driver with 3-state outputs and straight-through flow-through pinout architecture for easy PCB bus routing. - [74HC573 Octal Transparent D-Type Latch with 3-State Outputs (Texas Instruments / Nexperia)](https://pinoutdb.org/en/component/74hc573): Octal transparent D-type latch with 3-state outputs and flow-through pinout architecture, ideal for driving bus lines or memory address latches. - [74HC595 8-Bit Serial-In / Parallel-Out Shift Register (Texas Instruments / Nexperia)](https://pinoutdb.org/en/component/74hc595): 8-bit serial-input / parallel-output shift register with 3-state outputs. Data is clocked in serially on SRCLK, then latched to the output pins on a rising edge of RCLK. Commonly chained for expanding digital outputs over SPI. - [74HC74 Dual D-Type Positive-Edge-Triggered Flip-Flop (Texas Instruments / Nexperia)](https://pinoutdb.org/en/component/74hc74): Dual positive-edge-triggered D-type flip-flop with asynchronous individual set (~PRE) and clear (~CLR) inputs and complementary Q and ~Q outputs. - [74HC86 Quad 2-Input XOR Gate (Texas Instruments)](https://pinoutdb.org/en/component/74hc86): Quad 2-input exclusive-OR (XOR) gate in high-speed CMOS. 2–6V supply. Output is HIGH when inputs differ. Pin-compatible with 74LS86. - [74HC08 / 74LS08 Quad 2-Input AND Gate (Texas Instruments)](https://pinoutdb.org/en/component/74ls08): Quad 2-input AND gate. Available in 74LS (low-power Schottky TTL) and 74HC (high-speed CMOS) families, pin-compatible. Output is HIGH only when both inputs are HIGH. - [74HC32 / 74LS32 Quad 2-Input OR Gate (Texas Instruments)](https://pinoutdb.org/en/component/74ls32): Quad 2-input OR gate. Available in 74LS (low-power Schottky TTL) and 74HC (high-speed CMOS) families, pin-compatible. Output is HIGH when at least one input is HIGH. - [78L05 5V 100mA Linear Voltage Regulator (STMicroelectronics / TI / onsemi)](https://pinoutdb.org/en/component/78l05): Three-terminal positive linear voltage regulator with fixed 5V output and 100mA output current capability. Internal current-limiting and thermal shutdown make it remarkably rugged. - [ADC0804 8-Bit Microprocessor Compatible A/D Converter (Texas Instruments)](https://pinoutdb.org/en/component/adc0804): 8-bit successive approximation analog-to-digital converter designed to interface directly with microprocessor buses via tri-state outputs and control strobes (~RD, ~WR). - [AHT20 Digital Temperature & Humidity Sensor (ASAIR (Guangzhou Aosong Electronics))](https://pinoutdb.org/en/component/aht20): Digital I2C temperature and humidity sensor with factory calibration and low power consumption, widely used as a modern successor to the DHT11/DHT22 series. - [DHT22 / AM2302 Digital Humidity and Temperature Sensor (Aosong Electronics)](https://pinoutdb.org/en/component/am2302): Capacitive humidity and temperature sensor with a single-wire proprietary digital interface (NOT I2C). 3.3–5.5V supply. Accuracy: ±2% RH, ±0.5°C. Requires a 10kΩ pull-up on the DATA line. - [AMS1117-3.3 Low Dropout Voltage Regulator (Advanced Monolithic Systems)](https://pinoutdb.org/en/component/ams1117-3-3): 1A Low Dropout positive fixed 3.3V voltage regulator in surface-mount SOT-223 package with thermal overload and short-circuit current limiting. - [AMS1117-5.0 Low Dropout Voltage Regulator (Advanced Monolithic Systems)](https://pinoutdb.org/en/component/ams1117-5-0): 1A Low Dropout positive fixed 5.0V voltage regulator in surface-mount SOT-223 package with internal current limiting and thermal protection. - [AT24C32 32-Kbit I2C Serial EEPROM (Microchip / Atmel)](https://pinoutdb.org/en/component/at24c32): 32-Kbit (4096 x 8) serial I2C EEPROM with hardware write protection, 32-byte page write, and 1 million write endurance. Commonly paired with DS3231 RTC modules. - [ATmega16 40-Pin 8-Bit AVR Microcontroller (Microchip / Atmel)](https://pinoutdb.org/en/component/atmega16): 40-pin high-performance low-power 8-bit AVR microcontroller with 16KB In-System Programmable Flash, 1KB SRAM, 512 bytes EEPROM, 8-channel 10-bit ADC, JTAG interface, and 32 I/O lines. - [ATmega32 40-Pin 8-Bit AVR Microcontroller (Microchip / Atmel)](https://pinoutdb.org/en/component/atmega32): 40-pin AVR microcontroller with 32KB In-System Programmable Flash, 2KB SRAM, 1KB EEPROM, 8-channel 10-bit ADC, JTAG interface, hardware multiplier, and 32 I/O lines. - [ATmega328P 8-Bit AVR Microcontroller (DIP-28) (Microchip / Atmel)](https://pinoutdb.org/en/component/atmega328p-p): 20MHz, 32kB Flash, 2kB SRAM, 1kB EEPROM, DIP-28 - [ATmega328P 8-Bit AVR Microcontroller (Microchip / Atmel)](https://pinoutdb.org/en/component/atmega328p): High performance, low power 8-bit AVR RISC-based microcontroller with 32KB flash, standard on Arduino Nano and Uno. - [ATmega32U4 8-Bit Microcontroller with USB (TQFP-44) (Microchip / Atmel)](https://pinoutdb.org/en/component/atmega32u4-a): 16MHz, 32kB Flash, 2.5kB SRAM, 1kB EEPROM, USB 2.0, TQFP-44 - [ATmega8 28-Pin 8-Bit AVR Microcontroller (Microchip / Atmel)](https://pinoutdb.org/en/component/atmega8): Classic 28-pin AVR RISC microcontroller with 8KB Flash, 1KB SRAM, 512 bytes EEPROM, 6-channel 10-bit ADC, USART, SPI, I2C (TWI), and 3 PWM channels. Original MCU of the Arduino NG/Severino. - [ATtiny13 8-Bit AVR Microcontroller (DIP-8) (Microchip / Atmel)](https://pinoutdb.org/en/component/attiny13): 20MHz, 1kB Flash, 64B SRAM, 64B EEPROM, debugWIRE, DIP-8 - [ATtiny2313 20-Pin 8-Bit AVR Microcontroller (Microchip / Atmel)](https://pinoutdb.org/en/component/attiny2313): 20-pin low-power CMOS 8-bit AVR microcontroller with 2KB In-System Programmable Flash, 128 bytes EEPROM, 128 bytes SRAM, full duplex USART, and SPI master/slave. - [ATtiny84 8-Bit AVR Microcontroller (DIP-14) (Microchip / Atmel)](https://pinoutdb.org/en/component/attiny84): 20MHz, 8kB Flash, 512B SRAM, 512B EEPROM, debugWIRE, DIP-14 - [ATtiny85 8-Bit AVR Microcontroller (DIP-8) (Microchip / Atmel)](https://pinoutdb.org/en/component/attiny85): 20MHz, 8kB Flash, 512B SRAM, 512B EEPROM, debugWIRE, DIP-8 - [BC547 NPN General Purpose Transistor (onsemi / Fairchild / ST / Philips)](https://pinoutdb.org/en/component/bc547): General purpose NPN silicon transistor for switching and amplifier applications. Max 45V VCE, 100mA IC, 500mW. European standard equivalent to 2N3904. - [BMP280 Digital Barometric Pressure Sensor (Bosch Sensortec)](https://pinoutdb.org/en/component/bmp280): High-precision, low-power digital barometric pressure and temperature sensor with I2C/SPI interface, commonly used for altitude estimation and weather stations. - [BQ24074 LiPo Charger with Power Path Management (Texas Instruments)](https://pinoutdb.org/en/component/bq24074): Single-cell Li-Ion/LiPo linear charger with autonomous power-path management, allowing the system to run directly from USB/DC input while simultaneously charging the battery. - [CA3140 4.5MHz BiMOS Operational Amplifier with MOSFET Input (Intersil / Harris)](https://pinoutdb.org/en/component/ca3140): BiMOS operational amplifier combining high-voltage PMOS transistors with high-voltage bipolar transistors on a single monolithic chip. Features 1.5 TΩ input impedance and rail-to-rail output swing. - [CD4001B CMOS Quad 2-Input NOR Gate (Texas Instruments)](https://pinoutdb.org/en/component/cd4001): Standard CMOS quad 2-input NOR gate with buffered outputs. Wide supply voltage range from 3V to 18V with high noise immunity. - [CD40106B CMOS Hex Schmitt-Trigger Inverter (Texas Instruments)](https://pinoutdb.org/en/component/cd40106): Six independent inverter circuits with Schmitt-trigger input action. The hysteresis provides high noise immunity and clean square-wave outputs from slowly changing analog inputs. - [CD4013B CMOS Dual D-Type Flip-Flop (Texas Instruments)](https://pinoutdb.org/en/component/cd4013): High-voltage CMOS dual D-type static flip-flop with independent Set, Reset, Clock, and Data inputs operating over a 3V to 18V supply range. - [CD4020B CMOS 14-Stage Binary Ripple Counter (Texas Instruments)](https://pinoutdb.org/en/component/cd4020): 14-stage binary ripple counter with master reset. Outputs available from stages 1 and 4 through 14 (stages 2 and 3 are not pinned out). Suitable for long-delay timers. - [CD4026B Decade Counter with 7-Segment Output (Texas Instruments)](https://pinoutdb.org/en/component/cd4026): 5-stage Johnson decade counter and an output decoder that converts Johnson code to 7-segment decoded outputs (a through g) capable of driving common-cathode numeric LED displays directly without external decoders. - [CD4040B CMOS 12-Stage Binary Ripple Counter (Texas Instruments)](https://pinoutdb.org/en/component/cd4040): 12-stage binary ripple counter with master reset. Advances one count on the negative-going transition of each clock pulse. Common for frequency dividers and timers. - [CD4046B CMOS Micropower Phase-Locked Loop (PLL) (Texas Instruments)](https://pinoutdb.org/en/component/cd4046): Micropower phase-locked loop consisting of a linear voltage-controlled oscillator (VCO) and two different phase comparators with common signal-input and comparator-input. - [CD4050B CMOS Hex Non-Inverting Buffer / Converter (Texas Instruments)](https://pinoutdb.org/en/component/cd4050): Hex non-inverting buffer intended for logic-level conversion. Allowed to have input signal voltages up to 15V exceeding the supply voltage (e.g. 5V to 3.3V translation). - [CD4060B CMOS 14-Stage Binary Ripple Counter with Oscillator (Texas Instruments)](https://pinoutdb.org/en/component/cd4060): 14-stage ripple-carry binary counter/divider and oscillator with built-in RC/crystal oscillator section, capable of high-ratio frequency division and long timing delays. - [CD4069UB CMOS Hex Unbuffered Inverter (Texas Instruments)](https://pinoutdb.org/en/component/cd4069ub): CMOS hex unbuffered inverter constructed with complementary MOS transistors. Single-stage design makes it ideal for linear oscillators, amplifiers, and audio synthesis. - [CD4093B Quad 2-Input NAND Schmitt Trigger (Texas Instruments)](https://pinoutdb.org/en/component/cd4093): CMOS logic integrated circuit consisting of four independent 2-input NAND gates with Schmitt-trigger action on both inputs. Ideal for waveform shaping, noise elimination, astable multivibrators, and monostable pulse generators with wide 3V to 18V operation. - [CD74HC4067 16-Channel Analog Multiplexer/Demultiplexer (Texas Instruments / NXP)](https://pinoutdb.org/en/component/cd74hc4067): High-speed CMOS 16-channel analog multiplexer/demultiplexer with low on-resistance (typ. 70 Ohm) and wide analog voltage range. Ideal for data acquisition and signal routing. - [CH340G USB to Serial UART Bridge Controller (WCH (Jiangsu Qinheng))](https://pinoutdb.org/en/component/ch340g): USB serial converter, UART, SOIC-16 - [CP2102N USB to UART Bridge Controller (Silicon Labs)](https://pinoutdb.org/en/component/cp2102n-axx-xqfn24): USB to UART master bridge, QFN-24 - [DAC0808 8-Bit Multiplying D/A Converter (Texas Instruments)](https://pinoutdb.org/en/component/dac0808): Classic 8-bit monolithic digital-to-analog converter featuring high speed multiplying capability (150ns settling time) and direct interface with TTL, DTL, and CMOS logic. - [DHT11 Humidity and Temperature Sensor Module (Aosong Electronics)](https://pinoutdb.org/en/component/dht11): 3.3V to 5.5V, temperature and humidity module, DHT11 - [DS1302 Trickle-Charge Timekeeping RTC (Analog Devices)](https://pinoutdb.org/en/component/ds1302): Trickle-charge timekeeping chip containing a real-time clock/calendar and 31 bytes of static RAM. Communicates with microprocessors via a simple 3-wire SPI-like synchronous serial interface (CE, SCLK, I/O) and operates down to 2.0V. - [DS1307 64 x 8 Serial Real-Time Clock (I2C) (Maxim Integrated / Analog Devices)](https://pinoutdb.org/en/component/ds1307): 64 x 8, Serial, I2C Real-time clock, 4.5V to 5.5V VCC, 0°C to +70°C, DIP-8 - [DS18B20 Programmable Resolution 1-Wire Digital Thermometer (Maxim Integrated / Analog Devices)](https://pinoutdb.org/en/component/ds18b20): Programmable Resolution 1-Wire Digital Thermometer TO-92 - [DS3231 Extremely Accurate I2C Integrated RTC/TCXO/Crystal (Maxim Integrated / Analog Devices)](https://pinoutdb.org/en/component/ds3231m): Extremely Accurate I2C-Integrated RTC/TCXO/Crystal SOIC-16 - [FT232RL USB to Serial UART Interface IC (FTDI Chip)](https://pinoutdb.org/en/component/ft232rl): USB to Serial Interface, SSOP-28 - [ICL7660 Switched-Capacitor Voltage Inverter (Renesas Electronics)](https://pinoutdb.org/en/component/icl7660): Monolithic CMOS switched-capacitor voltage converter that converts a positive input voltage (+1.5V to +10.0V) to an equivalent negative output voltage (-1.5V to -10.0V) with 99.9% conversion efficiency, requiring only two external capacitors. - [ICL8038 Precision Waveform Generator / VCO (Intersil)](https://pinoutdb.org/en/component/icl8038): Monolithic waveform generator capable of generating simultaneous sine, square, triangular, sawtooth and pulse waveforms with minimum external components. - [INA226 Precision Current/Power Monitor (Texas Instruments)](https://pinoutdb.org/en/component/ina226): Bidirectional current, voltage, and power monitor with I2C/SMBus interface and a programmable alert pin, offering higher resolution and accuracy than the popular INA219. - [IRF3205 55V Single N-Channel HEXFET Power MOSFET (Infineon / International Rectifier)](https://pinoutdb.org/en/component/irf3205): High-current N-channel HEXFET Power MOSFET with extremely low on-resistance (8 mOhm typ.) for high-efficiency switching. 55V VDSS, 110A continuous drain current. - [IRF540N 100V Single N-Channel HEXFET Power MOSFET (Infineon / International Rectifier)](https://pinoutdb.org/en/component/irf540n): Advanced HEXFET Power MOSFET utilizing advanced processing techniques to achieve extremely low on-resistance (44 mOhm) and fast switching speeds up to 100V and 33A continuous drain current. - [IRLZ44N 55V Logic-Level N-Channel HEXFET Power MOSFET (Infineon / International Rectifier)](https://pinoutdb.org/en/component/irlz44n): 5th Generation HEXFET logic-level gate drive power MOSFET fully specified at 4V and 5V gate drive for direct microcontroller driving (Arduino, ESP32, Raspberry Pi) with 47A rating. - [L293 Quadruple Half-H Drivers (STMicroelectronics / TI)](https://pinoutdb.org/en/component/l293): Quadruple Half-H motor driver IC providing four independently controlled half-bridge outputs rated 600mA each; no internal flyback diodes (add external diodes for inductive loads). - [L293D Quadruple Half-H Drivers with Internal Flyback Diodes (STMicroelectronics / TI)](https://pinoutdb.org/en/component/l293d): Quadruple Half-H motor driver IC with internal flyback protection diodes, providing four independently controlled half-bridge outputs rated 600mA each. The D suffix indicates built-in suppression diodes, no external diodes needed for inductive loads. - [L298N Dual Full-Bridge Driver (STMicroelectronics)](https://pinoutdb.org/en/component/l298n): Dual full-bridge motor driver in Multiwatt-15 package, rated for up to 46V and 2A continuous per bridge (4A peak). No internal flyback diodes, add external diodes for inductive loads. - [LM1875 20W Hi-Fi Audio Power Amplifier (Texas Instruments)](https://pinoutdb.org/en/component/lm1875): Monolithic power amplifier offering very low distortion (0.015% THD) and high-quality performance for consumer audio applications. Capable of delivering 20W into a 4Ω or 8Ω load. - [LM2576 3A Step-Down Switching Voltage Regulator (Texas Instruments)](https://pinoutdb.org/en/component/lm2576): 3A step-down (buck) switching regulator operating at 52kHz. Provides high efficiency (up to 88%) with thermal shutdown, current limiting, and external on/off control. - [LM311 Voltage Comparator with Strobe (Texas Instruments)](https://pinoutdb.org/en/component/lm311): Voltage Comparator, DIP-8/SOIC-8 - [LM317 Adjustable Positive Voltage Regulator (Texas Instruments)](https://pinoutdb.org/en/component/lm317): 1.5A 35V Adjustable Linear Regulator, TO-220 - [LM324 Low-Power Quad Operational Amplifier (Texas Instruments)](https://pinoutdb.org/en/component/lm324): Low-Power, Quad-Operational Amplifiers, DIP-14/SOIC-14/SSOP-14 - [LM337 Adjustable Negative Voltage Regulator (Texas Instruments)](https://pinoutdb.org/en/component/lm337): Negative 1.5A 35V Adjustable Linear Regulator, TO-220 - [LM339 Quad Differential Comparator (Texas Instruments / ON Semi)](https://pinoutdb.org/en/component/lm339): Quad Differential Comparators, DIP-14/SOIC-14/TSSOP-14 - [LM35 Precision Centigrade Temperature Sensor (TO-92) (Texas Instruments)](https://pinoutdb.org/en/component/lm35-lp): Precision centigrade temperature sensor, TO-92 - [LM358 Low-Power Dual Operational Amplifier (Texas Instruments / ON Semi)](https://pinoutdb.org/en/component/lm358): Low-Power, Dual Operational Amplifiers, DIP-8/SOIC-8/TO-99-8 - [LM386 Low Voltage Audio Power Amplifier (Texas Instruments)](https://pinoutdb.org/en/component/lm386): Low Voltage Audio Power Amplifier, DIP-8/SOIC-8/SSOP-8 - [LM3914 Dot/Bar Display Driver (Texas Instruments / National Semiconductor)](https://pinoutdb.org/en/component/lm3914): Monolithic IC that senses analog voltage levels and drives 10 LEDs in a linear dot or bar graph display. Internal voltage reference and precision voltage divider included. - [LM393 Dual Differential Comparator (Texas Instruments / ON Semi)](https://pinoutdb.org/en/component/lm393): Low-Power, Low-Offset Voltage, Dual Comparators, DIP-8/SOIC-8/TO-99-8 - [LM556 Dual Precision Timer (Texas Instruments)](https://pinoutdb.org/en/component/lm556): Dual Timer, DIP-14/SOIC-14 - [LM741 General Purpose Operational Amplifier (Texas Instruments)](https://pinoutdb.org/en/component/lm741): Operational Amplifier, DIP-8/TO-99-8 - [LM7805 Positive Voltage Regulator (STMicroelectronics / TI)](https://pinoutdb.org/en/component/lm7805): Positive 1A 35V Linear Regulator, Fixed Output 5V, TO-220 - [LM7809 9V 1.5A Positive Voltage Regulator (STMicroelectronics / TI / onsemi)](https://pinoutdb.org/en/component/lm7809): Three-terminal positive linear voltage regulator with fixed 9V output. Capable of supplying over 1.5A output current with internal thermal overload and short-circuit current limiting protection. - [LM7812 Positive Voltage Regulator (STMicroelectronics / TI)](https://pinoutdb.org/en/component/lm7812): Positive 1A 35V Linear Regulator, Fixed Output 12V, TO-220 - [LM7815 15V 1.5A Positive Voltage Regulator (STMicroelectronics / TI / onsemi)](https://pinoutdb.org/en/component/lm7815): Standard 3-terminal positive voltage regulator with fixed 15V output. Commonly used in dual-rail audio equipment and op-amp power supplies in combination with LM7915. - [LM7905 Negative Voltage Regulator (STMicroelectronics / TI)](https://pinoutdb.org/en/component/lm7905): Negative 1A 35V Linear Regulator, Fixed Output -5V, TO-220 - [LM7912 -12V 1.5A Negative Voltage Regulator (STMicroelectronics / onsemi / TI)](https://pinoutdb.org/en/component/lm7912): Three-terminal negative voltage regulator with fixed -12V output. Note: Pinout differs from LM78xx: Pin 1 is Ground, Pin 2 is Input, and the heatsink tab is connected to Input. - [LP2950-3.3 Micropower Voltage Regulator (Texas Instruments / ON Semi)](https://pinoutdb.org/en/component/lp2950-3-3): Positive 100mA 30V Linear Micropower Voltage Regulator, Fixed Output 3.3V, TO-92 - [MAX232 Dual EIA-232 Driver/Receiver with Charge Pump (Maxim Integrated / TI)](https://pinoutdb.org/en/component/max232): Dual RS232 driver/receiver, 5V supply, 120kb/s, 0C-70C - [MAX31855 Cold-Junction Compensated Thermocouple-to-Digital Converter (Analog Devices)](https://pinoutdb.org/en/component/max31855): Precision thermocouple-to-digital converter with a built-in 14-bit analog-to-digital converter (ADC) and cold-junction compensation. Resolves temperatures from -270°C to +1800°C with 0.25°C resolution via a read-only SPI-compatible interface. - [MAX3232 3.0V-5.5V Dual RS-232 Transceiver (Texas Instruments)](https://pinoutdb.org/en/component/max3232): Two-channel line driver and receiver with ±15-kV ESD protection and internal charge pump for 3.0V to 5.5V operation. Meets EIA/TIA-232-F standards while operating directly from 3.3V microcontroller logic without external high voltage supplies. - [MAX485 Low-Power RS-485 / RS-422 Transceiver (Maxim Integrated / Analog Devices)](https://pinoutdb.org/en/component/max485): Low-power transceiver for RS-485 and RS-422 communication with one driver and one receiver, supporting data rates up to 2.5 Mbps over differential balanced lines. - [MAX7219 8-Digit LED Display Driver (Maxim Integrated / Analog Devices)](https://pinoutdb.org/en/component/max7219): Compact, serial input/output common-cathode display driver interfacing microprocessors to 7-segment numeric LED displays up to 8 digits, bar-graph displays, or 64 individual LEDs. - [MAX98357A I2S Class-D Mono Amplifier (Maxim Integrated (Analog Devices))](https://pinoutdb.org/en/component/max98357a): 3W Class-D mono audio amplifier with a digital I2S/PDM input and integrated DAC, requiring no analog audio input, commonly paired with the ESP32/Raspberry Pi for I2S speaker output. - [MC34063A Universal DC-DC Converter Controller (Texas Instruments)](https://pinoutdb.org/en/component/mc34063a): Monolithic DC-DC converter control circuit containing an internal temperature compensated reference, comparator, duty cycle controlled oscillator with active peak current limit circuit, driver and high current output switch (1.5A peak). Capable of Step-Up (Boost), Step-Down (Buck), and Inverting operation. - [MCP23017 16-Bit I/O Expander with I2C Interface (Microchip Technology)](https://pinoutdb.org/en/component/mcp23017): 16-bit general purpose parallel I/O port expander with high-speed I2C interface (up to 1.7 MHz), configurable interrupt output pins, and 100k internal pull-ups. - [MCP23S17 16-Bit I/O Expander with SPI Interface (Microchip Technology)](https://pinoutdb.org/en/component/mcp23s17): 16-bit general purpose parallel I/O port expander with high-speed 10 MHz SPI interface, hardware address pins for sharing the same SPI bus, and interrupt outputs. - [MCP2515 Stand-Alone CAN Controller with SPI Interface (Microchip Technology)](https://pinoutdb.org/en/component/mcp2515-xso): Stand-Alone CAN Controller with SPI Interface, SOIC-18 - [MCP2551 High-Speed CAN Transceiver (Microchip Technology)](https://pinoutdb.org/en/component/mcp2551-i-p): High-Speed CAN Transceiver, 1Mbps, 5V supply, DIP-8 - [MCP3008 8-Channel 10-Bit ADC with SPI Interface (Microchip Technology)](https://pinoutdb.org/en/component/mcp3008): Popular 8-channel 10-bit analog-to-digital converter (ADC) with SPI serial interface, 200 ksps sampling rate at 5V, and programmable pseudo-differential inputs. - [MCP4725 12-Bit DAC with I2C Interface and EEPROM (Microchip Technology)](https://pinoutdb.org/en/component/mcp4725): Low-power, high accuracy, single channel, 12-bit voltage output Digital-to-Analog Converter (DAC) with integrated non-volatile EEPROM and 2-wire I2C interface. Stores power-on reset output settings directly in on-board EEPROM. - [MCP4921 12-Bit DAC with SPI Interface (Microchip Technology)](https://pinoutdb.org/en/component/mcp4921): Single-channel 12-bit Digital-to-Analog Converter (DAC) with an internal output amplifier and high-speed SPI serial interface (up to 20 MHz). Features user-selectable gain (1x or 2x) and selectable external voltage reference input. - [MCP6002 1MHz Low-Power Rail-to-Rail Dual Op-Amp (Microchip Technology)](https://pinoutdb.org/en/component/mcp6002): 1MHz, Low-Power Op Amp, DIP-8 - [MCP6004 1MHz Low-Power Rail-to-Rail Quad Op-Amp (Microchip Technology)](https://pinoutdb.org/en/component/mcp6004): 1MHz, Low-Power Op Amp, DIP-14/SOIC-14/TSSOP-14 - [Macronix MX25L25645G-08G Factory Mode (SOP-8 / WSON-8) (Macronix)](https://pinoutdb.org/en/component/mx25l25645g-08g): 3V 256M-bit Serial NOR Flash in 8-pin SOP/WSON with Factory Mode Support (-08G). Features high-speed Factory Mode programming (0.16ms page program) and erase throughput, DTR mode up to 133MHz, JEDEC ID C2h 2019h. - [Macronix MX25L25645G (SOP-16) (Macronix)](https://pinoutdb.org/en/component/mx25l25645g-sop16): 3V 256M-bit (32M-byte) CMOS MXSMIO Multi-I/O Serial NOR Flash in 16-pin SOP 300-mil package. Features a dedicated hardware RESET# input on Pin 3 and NC/SIO3 on Pin 1. - [Macronix MX25L25645G (SOP-8 / WSON-8) (Macronix)](https://pinoutdb.org/en/component/mx25l25645g-sop8): 3V 256M-bit (32M-byte) CMOS MXSMIO Multi-I/O Serial NOR Flash in 8-pin SOP 200-mil and 8-land WSON packages. Supports Single/Dual/Quad I/O, QPI, DTR mode up to 133MHz, JEDEC ID C2h 2019h. - [Macronix MX25L25645GM-08G Factory Mode (SOP-16) (Macronix)](https://pinoutdb.org/en/component/mx25l25645gm-08g): 3V 256M-bit (32M-byte) Serial NOR Flash in 16-pin SOP 300-mil with Factory Mode Support (-08G). Features dedicated RESET# (Pin 3), NC/SIO3 (Pin 1), and high-speed Factory Mode programming/erase. - [NE5532 Dual High-Performance Low-Noise Op-Amp (Signetics / TI)](https://pinoutdb.org/en/component/ne5532): Dual Low-Noise Operational Amplifiers, DIP-8/SOIC-8 - [NE555 Precision Timer (Signetics / TI)](https://pinoutdb.org/en/component/ne555): The classic precision timing circuit capable of producing accurate time delays or oscillation in astable or monostable modes. - [NE555 Precision Single Timer (Signetics / TI)](https://pinoutdb.org/en/component/ne555d): Precision Timers, 555 compatible, SOIC-8 - [OP07 Ultra-Low Offset Voltage Operational Amplifier (Analog Devices / TI)](https://pinoutdb.org/en/component/op07): Very low input offset voltage (75µV max) operational amplifier with low drift and high open-loop gain (300V/mV), making it the classic standard for precision instrumentation. - [OPA2134 SoundPlus High Performance Audio Op-Amp (Burr-Brown / TI)](https://pinoutdb.org/en/component/opa2134): Dual SoundPlus High Performance Audio Operational Amplifiers, DIP-8/SOIC-8 - [PCF8563 Real-Time Clock/Calendar (NXP Semiconductors)](https://pinoutdb.org/en/component/pcf8563): Low-power CMOS Real-Time Clock/Calendar with I2C interface, programmable clock output, alarm and timer functions, backed by a 32.768kHz crystal oscillator. - [PCF8574 Remote 8-Bit I/O Expander for I2C Bus (NXP Semiconductors / Texas Instruments)](https://pinoutdb.org/en/component/pcf8574): General-purpose 8-bit quasi-bidirectional I/O expander for the two-line bidirectional I2C-bus with open-drain interrupt output, widely used in HD44780 LCD I2C backpacks. - [PCF8575 16-Bit I2C I/O Expander (NXP Semiconductors)](https://pinoutdb.org/en/component/pcf8575): Remote 16-bit I2C-bus general purpose parallel input/output expander with interrupt output, offering quasi-bidirectional I/O across two 8-bit ports (P0, P1), the 16-bit sibling of the PCF8574. - [PCF8591 8-Bit 4-Channel ADC and 1-Channel DAC (I2C) (NXP Semiconductors)](https://pinoutdb.org/en/component/pcf8591): Single-chip, single-supply low-power 8-bit data acquisition device with four analog inputs, one analog output (DAC), and an I2C-bus interface. - [PIC12F675 8-Pin Flash-Based 8-Bit CMOS Microcontroller (Microchip Technology)](https://pinoutdb.org/en/component/pic12f675): Popular 8-pin CMOS microcontroller with 1.75KB Flash memory, 64 bytes RAM, 128 bytes EEPROM, 4-channel 10-bit ADC, internal 4MHz oscillator, and analog comparator. - [PIC16F628A 8-Bit Flash Microcontroller (DIP-18) (Microchip Technology)](https://pinoutdb.org/en/component/pic16f628a-ip): 2048W Flash, 224B SRAM, 128B EEPROM, DIP18 - [PIC16F628A 8-Bit Flash Microcontroller (DIP-18) (Microchip Technology)](https://pinoutdb.org/en/component/pic16f628a): 2048W Flash, 224B SRAM, 128B EEPROM, DIP18 - [PIC16F84A 8-Bit Flash Microcontroller (DIP-18) (Microchip Technology)](https://pinoutdb.org/en/component/pic16f84a): PIC16F84A, 1K Flash, 68B SRAM, 64B EEPROM, DIP18 - [PIC16F886 28-Pin Flash Microcontroller with nanoWatt (DIP-28) (Microchip Technology)](https://pinoutdb.org/en/component/pic16f886-ip): 8K Flash, 256B SRAM, 256B EEPROM, XLP, DIP28 - [PIC16F886 28-Pin Flash Microcontroller with nanoWatt (DIP-28) (Microchip Technology)](https://pinoutdb.org/en/component/pic16f886): 8K Flash, 256B SRAM, 256B EEPROM, XLP, DIP28 - [PIC18F2550 28-Pin High-Performance USB Microcontroller (Microchip Technology)](https://pinoutdb.org/en/component/pic18f2550): 28-pin high-performance USB 2.0 Full-Speed microcontroller with 32KB Flash, 2048 bytes RAM, 256 bytes EEPROM, 10-bit ADC, CCP/PWM, and nanoWatt power management. - [PIC18F4550 40-Pin High-Performance USB Microcontroller (Microchip Technology)](https://pinoutdb.org/en/component/pic18f4550): 40-pin flagship USB 2.0 microcontroller with 32KB Flash, 2048 bytes RAM, 256 bytes EEPROM, 13-channel 10-bit ADC, Streaming Parallel Port (SPP), and hardware USB transceiver. - [PT2399 CMOS Echo / Delay Audio Processor (Princeton Technology Corp)](https://pinoutdb.org/en/component/pt2399): Single-chip CMOS echo and audio delay processor utilizing internal 44Kbit digital RAM with integrated ADC, DAC, and operational amplifiers. Widely used in guitar pedals, synthesizers, and karaoke equipment. - [SHT31-D Digital Temperature & Humidity Sensor (Sensirion AG)](https://pinoutdb.org/en/component/sht31): High-accuracy, fully calibrated digital I2C temperature and humidity sensor with two selectable addresses and an ALERT pin for humidity/temperature threshold monitoring. - [SN754410 Quadruple Half-H Motor Driver (Texas Instruments)](https://pinoutdb.org/en/component/sn754410): Quadruple high-current half-H driver designed to provide bidirectional drive currents of up to 1A at voltages from 4.5V to 36V. Pin-compatible higher-current modern alternative to the popular L293D with internal output clamp diodes for inductive transient suppression. - [TCA9548A 8-Channel I2C Multiplexer (Texas Instruments)](https://pinoutdb.org/en/component/tca9548a): 8-channel bidirectional I2C/SMBus switch with reset, used to resolve address conflicts between identical I2C sensor breakouts by isolating each device on its own sub-bus. - [TDA2030 14W Hi-Fi Audio Amplifier (Pentawatt V) (STMicroelectronics)](https://pinoutdb.org/en/component/tda2030): 14W Hi-Fi Audio Amplifier, TO-220-5 (Pentawatt) - [TDA2050 32W Hi-Fi Audio Amplifier (Pentawatt V) (STMicroelectronics)](https://pinoutdb.org/en/component/tda2050): 32W Hi-Fi Audio Amplifier, TO-220-5 (Pentawatt) - [TEA2025B Stereo Audio Power Amplifier (STMicroelectronics)](https://pinoutdb.org/en/component/tea2025b): Monolithic dual audio power amplifier designed for portable radio cassette players and multimedia desktop speakers. Delivers 2.3W per channel in stereo or 4.7W in Bridge-Tied Load (BTL) configuration. - [TIP120 NPN Darlington Transistor (onsemi / ST / Fairchild)](https://pinoutdb.org/en/component/tip120): NPN Darlington pair power transistor with integrated base-emitter resistor and flyback diode. Max 60V VCE, 5A IC, hFE min 1000. Ideal for motor and relay driving. - [TIP31C 100V 3A NPN Power Transistor (STMicroelectronics / onsemi)](https://pinoutdb.org/en/component/tip31c): Medium-power epitaxial-base NPN silicon transistor in TO-220 package. Designed for general-purpose switching and amplifier applications. Complementary to TIP32C. - [TIP32C 100V 3A PNP Power Transistor (STMicroelectronics / onsemi)](https://pinoutdb.org/en/component/tip32c): Medium-power epitaxial-base PNP silicon transistor in TO-220 package. Designed for general-purpose switching and amplifier applications. Complementary to TIP31C. - [TJA1051 High-Speed CAN Transceiver (NXP Semiconductors)](https://pinoutdb.org/en/component/tja1051t): High-Speed CAN Transceiver, silent mode, SOIC-8 - [TL071 Low-Noise JFET-Input General-Purpose Op-Amp (Texas Instruments)](https://pinoutdb.org/en/component/tl071): Single Low-Noise JFET-Input Operational Amplifiers, DIP-8/SOIC-8 - [TL072 Low-Noise JFET-Input Dual Op-Amp (Texas Instruments)](https://pinoutdb.org/en/component/tl072): Dual Low-Noise JFET-Input Operational Amplifiers, DIP-8/SOIC-8 - [TL074 Low-Noise JFET-Input Quad Op-Amp (Texas Instruments)](https://pinoutdb.org/en/component/tl074): Quad Low-Noise JFET-Input Operational Amplifiers, DIP-14/SOIC-14 - [TL431 Adjustable Precision Shunt Regulator (Texas Instruments)](https://pinoutdb.org/en/component/tl431): Three-terminal programmable shunt regulator diode with temperature stability guaranteed over the full operating range. Output voltage can be set to any value between 2.5V and 36V with two external resistors. - [TL494 Pulse-Width-Modulation Control Circuit (Texas Instruments)](https://pinoutdb.org/en/component/tl494): Fixed-frequency pulse-width-modulation (PWM) control circuit designed primarily for power supply control. Incorporates two error amplifiers, an on-chip adjustable oscillator, dead-time control (DTC) comparator, pulse-steering flip-flop, 5.0V precision regulator, and output control circuits. - [TLC5940 16-Channel LED Driver with Dot Correction (Texas Instruments)](https://pinoutdb.org/en/component/tlc5940): 16-channel constant-current LED driver with 12-bit PWM grayscale control and 6-bit dot correction per channel. Supports daisy-chaining via serial interface for large LED arrays. - [TM1637 2-Wire Serial 7-Segment LED Driver Controller (Titan Micro Electronics)](https://pinoutdb.org/en/component/tm1637): Dedicated LED drive control circuit with keyboard scan interface and 2-wire serial interface (CLK, DIO). Commonly used to drive 4-digit or 6-digit 7-segment clock displays. - [TMP36 Low Voltage Precision Analog Temperature Sensor (Analog Devices)](https://pinoutdb.org/en/component/tmp36xs): Low Voltage Temperature Sensor, SOIC-8 - [TXS0108E 8-Bit Bidirectional Voltage-Level Translator (Texas Instruments)](https://pinoutdb.org/en/component/txs0108e): 8-bit non-inverting bidirectional logic voltage level translator with automatic direction sensing and output enable (OE). Allows seamless communication between mixed-voltage systems (e.g. 1.8V/3.3V microcontrollers and 5V sensors/peripherals) across high-speed I2C, SPI, and UART buses. - [ULN2003A High-Voltage High-Current Darlington Transistor Array (STMicroelectronics / TI)](https://pinoutdb.org/en/component/uln2003a): High Voltage, High Current Darlington Transistor Arrays, SOIC16/SOIC16W/DIP16/TSSOP16 - [ULN2803A Octal Darlington Transistor Array (Toshiba / STMicroelectronics)](https://pinoutdb.org/en/component/uln2803a): Darlington Transistor Arrays, SOIC18/DIP18 - [Winbond W25Q128JW-IM (SOIC-8 / WSON-8) (Winbond Electronics)](https://pinoutdb.org/en/component/w25q128jw-im): 1.8V 128M-bit (16M-byte) Serial NOR Flash memory in 8-pin SOIC and WSON packages. IM variant with programmable QE=0 default, active /HOLD or /RESET pin functionality on Pin 7, and JEDEC Device ID 8018h. - [Winbond W25Q128JWF (SOIC-16) (Winbond Electronics)](https://pinoutdb.org/en/component/w25q128jw-soic16): 1.8V 128M-bit (16M-byte) Serial NOR Flash memory with Dual/Quad SPI in 16-pin SOIC 300-mil package. Standard IQ series with factory-fixed Quad Enable (QE=1), dedicated hardware /RESET pin on Pin 3, and JEDEC ID 6018h. - [Winbond W25Q128JWS (SOIC-8 / WSON-8) (Winbond Electronics)](https://pinoutdb.org/en/component/w25q128jw-soic8): 1.8V 128M-bit (16M-byte) Serial NOR Flash memory with Dual/Quad SPI in 8-pin SOIC 208-mil and 8-pad WSON packages. Standard IQ series with factory-fixed Quad Enable (QE=1) and JEDEC ID 6018h. - [Winbond W25Q128JWF-IM (SOIC-16) (Winbond Electronics)](https://pinoutdb.org/en/component/w25q128jwf-im): 1.8V 128M-bit (16M-byte) Serial NOR Flash memory in 16-pin SOIC 300-mil. IM variant with programmable QE=0 default, /HOLD or /RESET on Pin 1, dedicated hardware /RESET on Pin 3, and JEDEC Device ID 8018h. - [Winbond W25Q256JW-IM (WSON-8) (Winbond Electronics)](https://pinoutdb.org/en/component/w25q256jw-im): 1.8V 256M-bit (32M-byte) Serial NOR Flash memory with Dual/Quad SPI in 8-pad WSON package. Ordering option IM features programmable QE=0 default, active /HOLD or /RESET function on Pin 7, and JEDEC Device ID 8019h. - [Winbond W25Q256JWF (SOIC-16) (Winbond Electronics)](https://pinoutdb.org/en/component/w25q256jw-soic16): 1.8V 256M-bit (32M-byte) Serial NOR Flash memory with Dual/Quad SPI in 16-pin SOIC 300-mil package. Standard IQ series with factory-fixed Quad Enable (QE=1), dedicated hardware /RESET input (Pin 3), and JEDEC ID 6019h. - [Winbond W25Q256JW (WSON-8) (Winbond Electronics)](https://pinoutdb.org/en/component/w25q256jw-wson8): 1.8V 256M-bit (32M-byte) Serial NOR Flash memory with Dual/Quad SPI in 8-pad WSON package (6x5mm / 8x6mm). Standard IQ series with factory-fixed Quad Enable (QE=1) and JEDEC ID 6019h. - [Winbond W25Q256JWF-IM (SOIC-16) (Winbond Electronics)](https://pinoutdb.org/en/component/w25q256jwf-im): 1.8V 256M-bit (32M-byte) Serial NOR Flash memory in 16-pin SOIC 300-mil. IM variant with programmable QE=0, /HOLD or /RESET on Pin 1, dedicated hardware /RESET on Pin 3, and JEDEC Device ID 8019h. - [W25Q32JV 32Mbit SPI NOR Flash Memory (Winbond Electronics)](https://pinoutdb.org/en/component/w25q32): 3V, 32M-bit (4M-byte) Serial NOR Flash memory with dual/quad SPI, used for external firmware/data storage on ESP32, Arduino and FPGA boards. - [WS2811 3-Channel Constant Current LED Driver IC (Worldsemi)](https://pinoutdb.org/en/component/ws2811): 3-channel constant-current LED driver IC with single-wire NZR communication protocol. Drives RGB LED strips and pixels with 256 grayscale levels per channel. - [WS2812B Intelligent Control RGB Integrated Light Source (Worldsemi)](https://pinoutdb.org/en/component/ws2812b): Individually addressable RGB LED integrating a control circuit and RGB chip in a 5050 surface-mount package with single-wire NZR communication protocol. - [XR-2206 Monolithic Function Generator IC (Exar Corporation)](https://pinoutdb.org/en/component/xr2206): Monolithic function generator IC capable of producing high-quality sine, square, triangle, ramp, and pulse waveforms of high-stability and accuracy from 0.01 Hz to over 1 MHz. ## Connectors & Standard Interfaces - [ATX 24-Pin Motherboard Power Supply (Intel / Molex (Mini-Fit Jr.))](https://pinoutdb.org/en/component/atx-24pin-power): Standard 24-pin dual-row power connector defined in ATX12V 2.0+ specifications providing +3.3V, +5V, +12V, -12V, +5VSB standby power, PS_ON# power switch, and PWR_OK signal. - [ATX12V 4-Pin CPU Power Connector (P4) (Intel / Molex Mini-Fit Jr. Style)](https://pinoutdb.org/en/component/atx-4pin-p4): 4-pin auxiliary +12V connector defined by the ATX12V specification, supplying dedicated power to the CPU voltage regulator on motherboards, the predecessor to the 8-pin EPS12V connector. - [3.5mm TRRS 4-Pole Audio/Headset Jack (CTIA / OMTP (Telecommunications Standard))](https://pinoutdb.org/en/component/audio-3-5mm-trrs): Standard 3.5mm (1/8") 4-conductor miniature audio connector for stereo audio output and microphone input (CTIA standard: Left, Right, Ground, Mic). - [3.5mm TRS Audio Jack (3-Pole Stereo) (Universal Audio Standard)](https://pinoutdb.org/en/component/audio-3-5mm-trs): Standard 3.5mm (1/8 inch) TRS 3-pole stereo audio connector with Tip (Left Channel), Ring (Right Channel), and Sleeve (Ground). - [BNC Coaxial Connector (Amphenol / TE Connectivity / Various)](https://pinoutdb.org/en/component/bnc-coaxial): Bayonet-locking RF coaxial connector with 50 Ohm or 75 Ohm impedance. Used for oscilloscope probes, test equipment, composite video, CCTV, 10BASE2 Ethernet, and RF applications up to 4 GHz. - [DB25 (DE-25) Parallel / Serial Port (EIA / TIA / IEEE)](https://pinoutdb.org/en/component/db25-parallel): 25-pin D-Sub connector used for IEEE 1284 parallel printer ports (Centronics) and older RS-232 serial interfaces. Supports SPP, EPP, and ECP modes for bidirectional data transfer. - [RS-232 Serial Port DB9 (DE-9) (EIA / TIA (Electronic Industries Alliance))](https://pinoutdb.org/en/component/db9-rs232): Standard 9-pin D-Sub connector for asynchronous serial data communication (RS-232 / EIA-232) and industrial CAN bus interfaces. - [DC Barrel Power Jack (5.5x2.1mm) (Generic / CUI Devices (PJ-002A Standard))](https://pinoutdb.org/en/component/dc-barrel-jack): Standard coaxial DC power jack (5.5mm outer / 2.1mm inner diameter, center-positive) used to supply external power to boards and adapters. Common breadboard-mount versions add a third normally-closed switch contact for power-source detection. - [DIN-5 (180) MIDI Connector (MIDI Manufacturers Association (MMA) / DIN)](https://pinoutdb.org/en/component/din5-midi): 5-pin 180-degree DIN connector used for MIDI (Musical Instrument Digital Interface) communication at 31.25 kBaud. Only pins 2, 4, 5 are used for MIDI; pins 1, 3 reserved. - [DisplayPort (DP) 20-Pin Interface (VESA (Video Electronics Standards Association))](https://pinoutdb.org/en/component/displayport): Standard 20-pin interface for digital audio and video transmission (Main Link with up to 4 lanes), AUX channel for control/EDID, and Hot Plug Detect. - [DVI-D Dual Link Digital Video Connector (DDWG (Digital Display Working Group))](https://pinoutdb.org/en/component/dvi-d-dual): Dual-link DVI-D connector with all 24 digital signal pins populated for two TMDS links. Supports resolutions up to 2560x1600 at 60Hz by doubling the available bandwidth. - [DVI-D Single Link Digital Video Connector (DDWG (Digital Display Working Group))](https://pinoutdb.org/en/component/dvi-d): Digital-only DVI connector with 24 signal pins plus 1 ground blade for single-link TMDS signaling. Supports resolutions up to 1920x1200 at 60Hz (single link) or 2560x1600 (dual link). - [DVI-I Dual Link Integrated (Digital + Analog) Video Connector (DDWG (Digital Display Working Group))](https://pinoutdb.org/en/component/dvi-i-dual): Full-featured 29-pin DVI connector with dual TMDS links and analog VGA signals. Supports digital resolutions up to 2560x1600 at 60Hz and analog VGA via passive adapter. - [DVI-I Single Link Integrated (Digital + Analog) Video Connector (DDWG (Digital Display Working Group))](https://pinoutdb.org/en/component/dvi-i): Integrated DVI connector carrying both digital TMDS and analog VGA signals. 24 digital pins plus 5 analog pins (4 analog contacts + 1 ground blade). Supports single-link resolutions up to 1920x1200 at 60Hz. - [EPS12V 8-Pin CPU Power Connector (SSIF / Intel)](https://pinoutdb.org/en/component/eps-8pin-cpu): Standard 8-pin EPS12V motherboard power connector delivering high-current +12V DC power directly to the CPU VRM voltage regulator module (up to 336W). - [3-Pin PC Fan Connector (Molex / Standard PC Specification)](https://pinoutdb.org/en/component/fan-3pin): Standard 3-pin motherboard fan connector with 0.1 inch (2.54mm) pitch for 12V DC cooling fans with Ground, +12V Power, and Tachometer speed feedback signal. - [4-Pin PWM PC Fan Connector (Intel / Formfactors.org)](https://pinoutdb.org/en/component/fan-4pin-pwm): Standard 4-pin 2.54mm pitch polarized motherboard connector for PC cooling fans featuring Ground, +12V DC power, Tachometer RPM feedback pulse, and 25 kHz PWM speed control. - [HDMI Type-A 19-Pin Interface (HDMI Forum / HDMI Licensing Administrator)](https://pinoutdb.org/en/component/hdmi-type-a): Standard 19-pin interface for uncompressed digital audio and video transmission (TMDS / FRL), Consumer Electronics Control (CEC), and DDC/HDCP display communication. - [IDC 40-Pin ATA/IDE Ribbon Header (AMP / 3M (ATA/ATAPI-4 Standard))](https://pinoutdb.org/en/component/idc-40pin): 40-pin insulation-displacement (IDC) header for Parallel ATA (PATA/IDE) ribbon cables, carrying a 16-bit data bus and control signals between the host controller and hard disk / optical drives. - [JST-PH 2-Pin Battery Connector (2.0mm Pitch) (JST (Japan Solderless Terminal Mfg. Co.))](https://pinoutdb.org/en/component/jst-ph-2pin): 2.0mm pitch, 2-position wire-to-board connector, the de-facto standard for single-cell LiPo/Li-Ion battery packs on hobbyist electronics and charge modules such as the TP4056. - [JST-XH 4-Pin 2.54mm Wire-to-Board Connector (JST Manufacturing Co.)](https://pinoutdb.org/en/component/jst-xh-4pin): Standard 4-pin 2.54mm (0.1 inch) pitch wire-to-board polarized disconnectable connector. Universally utilized for 3D printer stepper motor wiring, endstops, I2C/UART interconnect cables, and 3S LiPo battery balancing ports with a 3A current rating. - [Apple Lightning Connector (Apple Inc.)](https://pinoutdb.org/en/component/lightning-connector): Proprietary 8-pin reversible connector used for Apple iOS devices (iPhone, iPad, iPod) carrying power (VBUS), high-speed differential USB data, and accessory control signals. - [M.2 (NGFF) Key B Connector (WWAN & SATA/PCIe SSD) (PCI-SIG)](https://pinoutdb.org/en/component/m2-key-b): Standard 75-position M.2 Key B edge connector interface (notch at pins 12-19) providing PCIe x2, SATA, USB 2.0/3.0, and SIM card (UIM) signals for cellular modems and SATA / PCIe x2 SSDs. - [M.2 (NGFF) Key E Connector (Wi-Fi & Bluetooth) (PCI-SIG)](https://pinoutdb.org/en/component/m2-key-e): Standard 75-position M.2 Key E edge connector interface (notch at pins 24-31) providing PCIe x1, USB 2.0, SDIO, UART, and I2S/PCM for wireless networking (Wi-Fi & Bluetooth) and CNVi companion modules. - [M.2 (NGFF) Key M Connector (NVMe SSD) (PCI-SIG)](https://pinoutdb.org/en/component/m2-key-m): Standard 75-position M.2 Key M edge connector interface (notch at pins 59-66) supporting PCIe 3.0/4.0/5.0 x4 lanes, SATA III, SMBus, and 3.3V power for high-performance NVMe Solid-State Drives. - [Micro HDMI (Type D) 19-Pin Interface (HDMI Forum / HDMI Licensing Administrator)](https://pinoutdb.org/en/component/micro-hdmi): Miniaturized 19-pin HDMI connector (Type D) with the same electrical signal assignment as HDMI Type-A, used on cameras, tablets, and single-board computers like the Raspberry Pi Zero and Pi 4. - [Micro-USB Type-B 5-Pin Interface (USB-IF (USB Implementers Forum))](https://pinoutdb.org/en/component/micro-usb-b): Compact 5-pin USB 2.0 connector with dedicated OTG ID pin for dynamic host/device mode negotiation. - [microSD Card Interface (SD Association)](https://pinoutdb.org/en/component/microsd-card): Standard 8-pin microSD memory card interface supporting SDIO 4-bit parallel bus mode and 1-bit SPI serial bus mode for microcontrollers and embedded systems. - [Mini DisplayPort (mDP) 20-Pin Interface (VESA (Video Electronics Standards Association))](https://pinoutdb.org/en/component/mini-displayport): Miniaturized 20-pin DisplayPort connector introduced by Apple and later standardized by VESA, electrically identical to full-size DisplayPort and reused as the physical connector for Thunderbolt 1 and 2. - [Mini-USB Type-B 5-Pin Interface (USB-IF (USB Implementers Forum))](https://pinoutdb.org/en/component/mini-usb-b): Compact 5-pin USB 2.0 connector commonly found on older digital cameras, GPS devices, MP3 players, and game controllers. Succeeded by Micro-USB. - [Molex 4-Pin LP4 Power Connector (Molex)](https://pinoutdb.org/en/component/molex-4pin): Standard 4-pin LP4 peripheral power connector used for desktop PC drives, liquid cooling pumps, fans, and internal hardware (+12V and +5V rails). - [OBD-II (SAE J1962) 16-Pin Vehicle Diagnostic Port (SAE International / ISO)](https://pinoutdb.org/en/component/obd2-connector): Standardized 16-pin diagnostic link connector (DLC) mandatory on all passenger vehicles in the US and Europe. Provides access to automotive bus communication including ISO 11898 High-Speed CAN, ISO 9141 K-Line, SAE J1850 PWM/VPW, and permanent +12V battery power. - [Parallel Port (DB-25 / LPT Interface) (Centronics / IEEE 1284)](https://pinoutdb.org/en/component/parallel-port-db25): Standard 25-pin D-Sub parallel interface for printers and peripherals. Pin 1 is Strobe, pins 2–9 are bidirectional 8-bit data lines (SPP/EPP/ECP modes), pins 10–13 and 15 are status inputs, pins 14/16/17 are control outputs, and pins 18–25 are signal ground. - [PCIe 6-Pin GPU Power Connector (PCI-SIG (Molex Mini-Fit Jr. Style))](https://pinoutdb.org/en/component/pcie-6pin-power): 6-pin auxiliary power connector defined by the PCI Express Power Supply Specification, supplying up to 75W (3x +12V, 3x GND) to graphics cards in addition to the PCIe slot's own 75W. - [PCI Express 8-Pin Power Connector (PCI-SIG)](https://pinoutdb.org/en/component/pcie-8pin-power): Standard 8-pin PCIe power connector for high-performance graphics cards (GPUs). Delivers up to 150W of +12V power via 3 main +12V rails, 3 Ground rails, and 2 Sense detection pins. - [PS/2 (Mini-DIN 6) Keyboard/Mouse Connector (IBM / DIN)](https://pinoutdb.org/en/component/ps2-keyboard-mouse): 6-pin Mini-DIN connector introduced with the IBM PS/2 for keyboard and mouse interfaces. Uses synchronous serial protocol with clock and data lines. Purple = keyboard, green = mouse. - [RCA (Phono) Composite Connector (Radio Corporation of America (RCA))](https://pinoutdb.org/en/component/rca-composite): Single-conductor friction-fit coaxial connector, colour-coded yellow for composite video or red/white for stereo analog audio, ubiquitous on consumer AV equipment. - [RJ11 6P4C Modular Connector (Telephone) (TIA / EIA (Telecommunications Industry Association))](https://pinoutdb.org/en/component/rj11-telephone): 6-position 4-contact modular connector used for analog telephone lines, DSL connections, and fax machines. Smaller than RJ45 with 6mm width. - [RJ45 8P8C Modular Connector (Ethernet) (TIA / EIA (Telecommunications Industry Association))](https://pinoutdb.org/en/component/rj45-ethernet): 8-position 8-contact modular connector for twisted pair Ethernet networking (10Base-T, 100Base-TX, 1000Base-T Gigabit, and Power over Ethernet / PoE). - [Serial ATA (SATA) 7-Pin Data Connector (SATA-IO (Serial ATA International Organization))](https://pinoutdb.org/en/component/sata-data): Standard 7-pin L-shaped interface for high-speed serial storage devices (HDDs, SSDs, optical drives) up to SATA Revision 3.0 (6 Gbit/s). - [Serial ATA (SATA) 15-Pin Power Connector (SATA-IO (Serial ATA International Organization))](https://pinoutdb.org/en/component/sata-power): Standard 15-pin power interface for SATA drives delivering +3.3V, +5V, +12V DC power lines with staggered pre-charge contacts for hot-plugging. - [SCART (EN 50049-1) 21-Pin Audio & Video Connector (CENELEC / Peritel)](https://pinoutdb.org/en/component/scart-21pin): Standardized 21-pin French/European analog audio and video connector (CENELEC EN 50049-1). Provides composite video, RGB analog video (Red, Green, Blue with fast blanking), stereo audio in/out, and aspect ratio switching signals for CRT televisions, VCRs, DVD players, and retro gaming consoles. - [2-Pin Screw Terminal Block (5.08mm Pitch) (Generic / Phoenix Contact / DEGSON)](https://pinoutdb.org/en/component/screw-terminal-2pin): 2-position screw-clamp terminal block (5.08mm / 0.2in pitch) for solderless connection of stripped power wires to a PCB, common on power supplies, motor drivers, and DIY power distribution boards. - [SD Card Interface (SD Association)](https://pinoutdb.org/en/component/sd-card): Standard 9-pin full-size Secure Digital (SD/SDHC/SDXC) memory card interface and host socket supporting SDIO 4-bit parallel bus mode and 1-bit SPI serial bus mode with physical write-protect lock switch. - [USB 2.0 Type-A Connector & Receptacle (USB Implementers Forum)](https://pinoutdb.org/en/component/usb-2-0-type-a): Standard 4-contact USB 2.0 Type-A connector. Supports High-Speed (480 Mbps), Full-Speed (12 Mbps), and Low-Speed (1.5 Mbps) data transfer with 5V VBUS power delivery up to 500mA (2.5W). - [USB 3.0 Type-A SuperSpeed Interface (USB-IF (USB Implementers Forum))](https://pinoutdb.org/en/component/usb-3-0-type-a): Standard 9-pin USB connector with blue color coding. Fully backward compatible with USB 2.0 (pins 1-4) with 5 additional SuperSpeed differential and ground lines (pins 5-9). - [USB Type-C 24-Pin Interface (USB-IF (USB Implementers Forum))](https://pinoutdb.org/en/component/usb-c): 24-pin reversible, rotationally symmetrical interface for USB 2.0/3.x/4, Power Delivery (up to 240W EPR), DisplayPort Alternate Mode, and PCIe/Thunderbolt. - [Micro-USB 3.0 Type-B (10-Pin) (USB Implementers Forum (USB-IF))](https://pinoutdb.org/en/component/usb-micro-b-3-0): 10-pin SuperSpeed USB 3.0 Micro-B connector combining a standard 5-pin USB 2.0 section with an additional 5-pin SuperSpeed section, commonly found on portable external hard drives. - [USB Type-B Standard 4-Pin Interface (USB Implementers Forum (USB-IF))](https://pinoutdb.org/en/component/usb-type-b): Standard 4-pin square USB Type-B female/male connector interface for printers, Arduino Uno, USB audio interfaces, and external peripheral devices. - [USB 2.0 Internal 9-Pin Motherboard Header (Intel / USB-IF)](https://pinoutdb.org/en/component/usb2-header-9pin): Standard 9-pin (2x5 keyed) internal motherboard header supporting dual USB 2.0 front panel ports with +5V VBUS, Data- (D-), Data+ (D+), and Ground (GND). - [VGA (DE-15 / D-Sub 15-Pin Interface) (IBM / VESA)](https://pinoutdb.org/en/component/vga-de15): Standard 15-pin 3-row D-Sub connector for analog RGB component video signals, horizontal/vertical synchronization, and DDC2B (I2C) display communication. - [XLR-3 Balanced Audio Connector (Cannon / ITT / Neutrik / Switchcraft)](https://pinoutdb.org/en/component/xlr-3): 3-pin professional balanced audio connector for microphones, mixer inputs/outputs, and DMX512 stage lighting control. Provides shielded differential signaling for noise rejection. - [XT60 DC Power Connector (Amass / Various)](https://pinoutdb.org/en/component/xt60-power): High-current 2-pin DC power connector rated for 60A continuous (30A per contact). Standard in RC hobby, drone, e-bike, and 3D printer applications. Gold-plated bullet contacts with polarized housing. ## Sensors & Measurement Modules - [BH1750FVI Digital Ambient Light Sensor (GY-302) (ROHM Semiconductor)](https://pinoutdb.org/en/component/bh1750): Digital 16-bit ambient light sensor IC with I2C bus interface for illuminance measurements from 1 to 65535 lx with human eye spectral response. - [BME280 Environmental Sensor Module (Bosch Sensortec)](https://pinoutdb.org/en/component/bme280): Precision digital environmental sensor measuring relative humidity, barometric pressure, and ambient temperature via I2C and SPI interfaces. - [HC-SR04 Ultrasonic Distance Sensor (ElecFreaks / SparkFun / Generic)](https://pinoutdb.org/en/component/hc-sr04): Standard 4-pin ultrasonic distance measuring sensor providing 2 cm to 400 cm non-contact measurement with 3 mm ranging accuracy. - [INA219 High-Side Current & Power Sensor Module (Texas Instruments)](https://pinoutdb.org/en/component/ina219): Bidirectional current and power monitor with I2C-compatible interface, capable of measuring high-side voltages up to +26V and currents up to 3.2A with 0.1 ohm shunt. - [MAX6675 K-Thermocouple-to-Digital Converter (Maxim Integrated / Analog Devices)](https://pinoutdb.org/en/component/max6675): Cold-junction-compensated K-thermocouple-to-digital converter with 12-bit SPI read-only output resolving temperatures from 0°C to +1024°C with 0.25°C resolution. - [MPU-6050 6-Axis MotionTracking IMU (GY-521) (TDK InvenSense)](https://pinoutdb.org/en/component/mpu-6050): Widely used 6-axis MotionTracking device combining a 3-axis gyroscope and a 3-axis accelerometer with an onboard Digital Motion Processor (DMP) and auxiliary I2C master. - [VL53L0X Time-of-Flight (ToF) Distance Sensor (STMicroelectronics)](https://pinoutdb.org/en/component/vl53l0x): Laser-ranging Time-of-Flight (ToF) sensor module measuring absolute distances up to 2 meters independent of target reflectance and color. ## Web Tools & Engineering Calculators - [3D Viewer](https://pinoutdb.org/en/tools/3d-viewer): Supported file types: STL, STEP, STP, OBJ, 3MF, GLTF, GLB, PLY, FBX, DAE, IGES. - [Zip Archive Builder](https://pinoutdb.org/en/tools/archive-builder): Create Zip files directly in your browser. Upload files and download the archive. No data leaves your computer. - [ASCII Flow Diagram Designer](https://pinoutdb.org/en/tools/ascii-diagram): Draw flowcharts, boxes, arrows, and text using plain text characters (ASCII) directly in your web browser. - [ASCII Art Generator](https://pinoutdb.org/en/tools/ascii-generator): Transform images into retro ASCII art. - [ASCII / HEX Converter](https://pinoutdb.org/en/tools/ascii-hex): Convert text to hexadecimal and back. - [Aspect Ratio Calculator](https://pinoutdb.org/en/tools/aspect-ratio-calculator): Calculates width or height based on an aspect ratio. - [Audio Recorder & Frequency Meter](https://pinoutdb.org/en/tools/audio-recorder): Microphone recording with live spectrum analyzer, VU peak meter, pause/resume, and export to WAV, MP3, or WebM. - [Audio Trimmer](https://pinoutdb.org/en/tools/audio-trimmer): Trim audio files easily in your browser. Visualize the waveform and export the selection as WAV or MP3. - [Base64 Encoder / Decoder](https://pinoutdb.org/en/tools/base64): Encode and decode text or data to Base64. - [Battery & EV Charge Time Calculator](https://pinoutdb.org/en/tools/battery-charge-calculator): Calculate charge time, finish time, and costs for EVs and batteries - with charge curve and live tracking. - [Calendar Week Calculator](https://pinoutdb.org/en/tools/calendar-week): Show current calendar week (CW) and convert date to calendar week. - [Capacitor Charge Time Calculator](https://pinoutdb.org/en/tools/capacitor-charge-time): Calculate the RC time constant and charge/discharge curve of a capacitor through a resistor, including voltage over time, time to reach a target level, and a visual curve. - [Case Converter](https://pinoutdb.org/en/tools/case-converter): Convert text between Uppercase, Lowercase, CamelCase, and more. - [Certificate Checker](https://pinoutdb.org/en/tools/certificate-extractor): Analyze and extract signatures and certificates from executable files (.exe, .efi) or certificate files. - [Chmod Calculator](https://pinoutdb.org/en/tools/chmod-calculator): Easily calculate Linux file permissions (chmod) in numeric and symbolic formats. - [Color Detector & Camera Eyedropper](https://pinoutdb.org/en/tools/color-detector): Real-time color detection via camera or image: Pixel-exact sampling and area average. - [Color Picker & Converter](https://pinoutdb.org/en/tools/color-picker): Pick colors and convert between Hex, RGB, HSL, and CMYK. - [Controller Tester](https://pinoutdb.org/en/tools/controller-tester): Supports PlayStation (PS5, PS4), Xbox (Series, One, 360), Nintendo Switch, and generic USB/Bluetooth gamepads. - [BIN HEX DEC OCT Converter](https://pinoutdb.org/en/tools/converter): Convert numbers between binary, hexadecimal, decimal, and octal, and toggle individual bits. - [Cron-Job Visualizer](https://pinoutdb.org/en/tools/cron-visualizer): Create Cron jobs interactively and visualize execution times on a calendar and timeline. - [CSS Formatter / Beautifier](https://pinoutdb.org/en/tools/css-formatter): Format CSS code for better readability or minify it for production. - [CSV Viewer & Converter](https://pinoutdb.org/en/tools/csv-viewer): Open CSV files online, search through them, and convert them to JSON or XML. - [Date Calculator](https://pinoutdb.org/en/tools/date-calculator): Calculate the duration between two dates or add/subtract days from a date. - [Device Info](https://pinoutdb.org/en/tools/device-info): Displays detailed information about your current device, browser, screen, and more. - [Diff & Patch Generator](https://pinoutdb.org/en/tools/diff-generator): Compare two texts line-by-line, visualize differences, and download the output as a patch file. - [DNS-over-HTTPS Lookup](https://pinoutdb.org/en/tools/dns-lookup): Find the IP address behind a domain and query DNS records (A, AAAA, MX, TXT) securely over HTTPS. - [EDID Viewer](https://pinoutdb.org/en/tools/edid-viewer): Decode and analyze 128 byte EDID binary data to view supported timings, texts, and settings. - [Exif Data Viewer](https://pinoutdb.org/en/tools/exif-viewer): Read metadata such as camera model, exposure settings, timestamp, and GPS coordinates from your photos. - [Favicon Generator](https://pinoutdb.org/en/tools/favicon-generator): Generate a complete favicon package (ICO, PNG sizes, Apple touch icon, web manifest) from an image, text, or emoji, including ready-to-use HTML code, as a ZIP download. - [File Analyzer](https://pinoutdb.org/en/tools/file-analyzer): Analyze files: View MIME types, file size, modification date, and hex headers. - [All-In-One File Converter](https://pinoutdb.org/en/tools/file-converter): Universal local converter for images, audio, video, binaries, 3D/CAD, documents, and data. - [Flexbox Playground](https://pinoutdb.org/en/tools/flexbox-playground): Interactive guide to CSS Flexbox properties. - [Font Glyph Inspector](https://pinoutdb.org/en/tools/font-inspector): Inspect font files (TTF, WOFF, WOFF2) to view contained characters (glyphs), unicode ranges, and metadata. - [Hash & File Checksum](https://pinoutdb.org/en/tools/hash-generator): Generate hashes from text or calculate file checksums (MD5, SHA256...) directly in your browser. - [HEIC Converter](https://pinoutdb.org/en/tools/heic-converter): Convert HEIC/HEIF images easily to JPG or PNG directly in your browser. - [Hex File Editor & Analyzer](https://pinoutdb.org/en/tools/hex-editor): Hex and binary editor. View data in HEX, DEC, BIN, or OCT, navigate with customizable page sizes (up to 16 KB) and row widths, inspect values with the data inspector, and edit bytes. - [HTML Encoder / Decoder](https://pinoutdb.org/en/tools/html-encoder): Convert special characters to HTML entities and back. Important for web development and security. - [I²C Pull-up & UART Baud Rate Calculator](https://pinoutdb.org/en/tools/i2c-uart-calculator): Calculate I²C pull-up resistors from bus capacitance and speed, or find the UART baud rate error for a given MCU clock frequency (ESP32, Arduino, STM32). - [ICS Calendar Viewer & Creator](https://pinoutdb.org/en/tools/ics-viewer): Open, inspect, and create .ics / iCalendar files directly in your browser. - [Image Batch Processor](https://pinoutdb.org/en/tools/image-batch-processor): Resize, crop, and convert multiple images at once. - [Image Compressor](https://pinoutdb.org/en/tools/image-compressor): Compress and resize images (JPEG, PNG, WebP) while maintaining visual quality. - [JSON Formatter / Minifier](https://pinoutdb.org/en/tools/json-formatter): Format or minify JSON data. - [JWT Decoder](https://pinoutdb.org/en/tools/jwt-decoder): Decode JSON Web Tokens (JWT) to view header, payload, and signature. - [Keycode Info](https://pinoutdb.org/en/tools/keycode-info): Shows information about pressed keys. - [Log File RegExp Filter](https://pinoutdb.org/en/tools/log-filter): Upload local log files and filter them in real-time using regular expressions or keywords in a color-coded terminal console. - [Lorem Ipsum Generator](https://pinoutdb.org/en/tools/lorem-ipsum): Generate placeholder text for your designs. - [Markdown Editor](https://pinoutdb.org/en/tools/markdown-editor): Write Markdown and see the preview instantly. - [Meta Tag Generator](https://pinoutdb.org/en/tools/meta-tag-generator): Generate HTML SEO meta tags for your website. - [Metronome](https://pinoutdb.org/en/tools/metronome): A precise metronome with different time signatures and visual display. - [MIDI Viewer](https://pinoutdb.org/en/tools/midi-viewer): Read MIDI signals from your connected input device/keyboard in real-time. - [Morse Code Audio Translator](https://pinoutdb.org/en/tools/morse-translator): Translate text to Morse code, play the audio signals, and visualize them with a flashing signal lamp. - [Local OCR](https://pinoutdb.org/en/tools/ocr-tool): Extract text from images directly in your browser. Your data never leaves your computer. Supports multiple languages. - [Image to Palette Extractor](https://pinoutdb.org/en/tools/palette-extractor): Extract a color palette from any image. - [Password Generator](https://pinoutdb.org/en/tools/password-generator): Generate strong, secure random passwords directly in your browser. - [PDF Tools (Merge, Split & Rotate)](https://pinoutdb.org/en/tools/pdf-merger): Merge multiple PDFs, reorder, rotate, or delete individual pages, and export custom page ranges. - [Percentage Calculator](https://pinoutdb.org/en/tools/percentage-calculator): Calculates percentage value, rate, percentage change, discount with cash discount, VAT, and tip splitting. - [Pixel Art Maker](https://pinoutdb.org/en/tools/pixel-art-maker): Create simple 16x16 pixel art and export it as PNG, SVG, or CSS. - [Pomodoro Timer](https://pinoutdb.org/en/tools/pomodoro-timer): A simple Pomodoro timer for productivity and regular breaks. - [QR Code Generator](https://pinoutdb.org/en/tools/qr-generator): Quickly create QR codes for text or links, directly in your browser. - [Random File Generator](https://pinoutdb.org/en/tools/random-file): Generate test files with random data in customizable sizes (up to 2 GB). - [Random Generator](https://pinoutdb.org/en/tools/random-generator): Well, the name pretty much says it all, right? - [Regex Tester](https://pinoutdb.org/en/tools/regex-tester): Test your regular expressions (Regex) in real-time. Supports match highlighting. - [Resistor Calculator (Color Code & SMD)](https://pinoutdb.org/en/tools/resistor-calculator): Calculate resistance values interactively from 4, 5, and 6 band color codes, convert values back to color codes, or decode SMD markings (3-digit, 4-digit & EIA-96). - [Fixed Sample Files](https://pinoutdb.org/en/tools/sample-files): Download deterministic sample files of fixed sizes (1KB to 1GB). - [Screen Recorder](https://pinoutdb.org/en/tools/screen-recorder): Record your screen, windows, or browser tabs. No download required. - [Screenshot Tool](https://pinoutdb.org/en/tools/screenshot-tool): Take screenshots of windows, screens, or browser tabs directly online. - [Search & Replace](https://pinoutdb.org/en/tools/search-replace): Search and replace text online. Supports regular expressions (regex) and case sensitivity. - [Serial Terminal](https://pinoutdb.org/en/tools/serial-terminal): Free web-based Serial Terminal and serial monitor directly in your browser. Connect via Web Serial API to any COM port, USB-UART adapter, or serial interface, send commands, and analyze data in real time without installation. - [Signal Generator](https://pinoutdb.org/en/tools/signal-generator): Generate various test tones and frequencies (Sine, Square, Noise). - [Digital Signature Generator](https://pinoutdb.org/en/tools/signature-generator): Creates digital signatures via freehand drawing, typed text, or photo scan as transparent PNG or SVG. - [Pixel-Art Sprite Animator](https://pinoutdb.org/en/tools/sprite-animator): Load a pixel art sprite sheet, slice it into frames, and animate it in a customizable loop. - [Sprite Sheet Slicer](https://pinoutdb.org/en/tools/sprite-slicer): Slice sprite sheets automatically into individual images. Define rows, columns, or fixed sizes and download everything as a ZIP. - [Stopwatch](https://pinoutdb.org/en/tools/stopwatch): Precise stopwatch with lap times. - [Binary Strings Extractor](https://pinoutdb.org/en/tools/strings-extractor): Extract printable ASCII and Unicode (UTF-16LE) strings from binary files (.exe, .dll, .bin, firmware). - [Subnet & CIDR Calculator](https://pinoutdb.org/en/tools/subnet-calculator): Calculate network boundaries, IP address ranges, netmasks, and usable hosts for IPv4. - [Syntax Highlighter](https://pinoutdb.org/en/tools/syntax-highlighter): Auto-detect and highlight code syntax. Export as SVG or Word. - [Synthesizer](https://pinoutdb.org/en/tools/synthesizer): Modular software synthesizer with oscillators, filter, ADSR faders, LFO, effects, MIDI, and keyboard. - [Text Diff Checker](https://pinoutdb.org/en/tools/text-diff): Compare two text contents and see what changed between them. - [Unix Timestamp Converter](https://pinoutdb.org/en/tools/timestamp): Convert Unix timestamps to human-readable dates and vice versa. - [Timezone Planner](https://pinoutdb.org/en/tools/timezone-planner): Find ideal meeting times and plan global appointments by overlapping multiple timezones. - [URL Encoder / Decoder](https://pinoutdb.org/en/tools/url-encoder): Safely encode and decode URL parameters. - [URL Parser](https://pinoutdb.org/en/tools/url-parser): Parse URLs into their components: Protocol, Host, Path, Query Parameters, and more. - [UUID Generator](https://pinoutdb.org/en/tools/uuid-generator): Generate secure random UUIDs (Version 4). Bulk generation supported. - [Video Editor](https://pinoutdb.org/en/tools/video-editor): Trim and sequence video clips, insert images, add music and mix audio. Export as MP4 or WebM. - [Video Player](https://pinoutdb.org/en/tools/video-player): Play video files or URLs. Features: Volume boost, playback speed, screenshot and more. - [Video-to-GIF Converter](https://pinoutdb.org/en/tools/video-to-gif): Convert short videos (MP4, WebM) client-side directly in the browser into animated GIFs with customizable FPS and resolution. - [Voltage Divider Calculator](https://pinoutdb.org/en/tools/voltage-divider): Calculate output voltage, quiescent current, and power dissipation of voltage dividers or automatically find the best E12/E24/E96 resistor pairs for your target voltage. - [Webcam Recorder](https://pinoutdb.org/en/tools/webcam-recorder): Online camera tool: Take photos and record videos directly via your webcam. - [WiFi QR Code Generator](https://pinoutdb.org/en/tools/wifi-qr): Create QR codes to easily connect guests to your WiFi network. - [Word Counter](https://pinoutdb.org/en/tools/word-counter): Free online word counter and character counter. Count words, characters, sentences, and paragraphs in real-time.