NodeMCU V2 (ESP8266 / ESP-12E)
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.
Aliase:NodeMCU, ESP8266 NodeMCU, ESP-12E, Amica, Lolin
30-Pin Dual-Inline Pinout
30 Pins
Pin-Tabelle30
| Pin | Signal / Name | Typ | Alternative Funktionen |
|---|---|---|---|
| 1 | A0 | Analog | Analog In ADC0 (max 3.3V with onboard divider) |
| 2 | RSV | NC | Reserved |
| 3 | RSV | NC | Reserved |
| 4 | SD3 | Digital | SPI Data 3 (GPIO10 - Flash internal) |
| 5 | SD2 | Digital | SPI Data 2 (GPIO9 - Flash internal) |
| 6 | SD1 | Digital | SPI MOSI (GPIO8 - Flash internal) |
| 7 | CMD | Digital | SPI CS (GPIO11 - Flash internal) |
| 8 | SD0 | Digital | SPI MISO (GPIO7 - Flash internal) |
| 9 | CLK | Digital | SPI SCLK (GPIO6 - Flash internal) |
| 10 | GND | Ground | Ground (0V) |
| 11 | 3V3 | Power | +3.3V Power Rail Output |
| 12 | EN | Digital | Chip Enable (High = Active) |
| 13 | RST | Digital | External Reset (Active Low) |
| 14 | GND | Ground | Ground (0V) |
| 15 | VIN | Power | External Input Voltage (5V-9V DC) |
| 16 | D0 | Digital | GPIO16Deep Sleep Wake (WAKE) |
| 17 | D1 | Digital | GPIO5I2C SCL |
| 18 | D2 | Digital | GPIO4I2C SDA |
| 19 | D3 | Digital | GPIO0Boot Mode Select (FLASH) |
| 20 | D4 | Digital | GPIO2Built-in Blue LEDBoot Mode |
| 21 | 3V3 | Power | +3.3V Power Rail |
| 22 | GND | Ground | Ground (0V) |
| 23 | D5 | Digital | GPIO14HSPI SCLK |
| 24 | D6 | Digital | GPIO12HSPI MISO |
| 25 | D7 | Digital | GPIO13HSPI MOSIUART2 RXD |
| 26 | D8 | Digital | GPIO15HSPI CSBoot Mode (Pull-down) |
| 27 | RX | Digital | GPIO3UART0 RXD |
| 28 | TX | Digital | GPIO1UART0 TXD |
| 29 | GND | Ground | Ground (0V) |
| 30 | 3V3 | Power | +3.3V Power Rail |