BMP280 Digital Barometric Pressure Sensor
High-precision, low-power digital barometric pressure and temperature sensor with I2C/SPI interface, commonly used for altitude estimation and weather stations.
Aliase:BMP280, GY-BMP280, Barometric Pressure Sensor, Altitude Sensor
Breakout Module (6-Pin Header)
6 Pins
Pinout Table6
| Pin | Signal / Name | Type | Alternative Functions |
|---|---|---|---|
| 1 | VCC | Power | +3.3V to +5V Power Supply (Onboard Regulator) |
| 2 | GND | Ground | 0V System Ground |
| 3 | SCL | Digital | I2C Serial Clock (Default Mode)SPI Clock (SCK, Alternate Mode) |
| 4 | SDA | Digital | I2C Serial Data (Default Mode)SPI MOSI (Alternate Mode) |
| 5 | CSB | Digital | Chip Select (Low = SPI Mode; High/Floating = I2C Mode) |
| 6 | SDO | Digital | I2C Address Select (GND = 0x76, VCC = 0x77)SPI MISO (Alternate Mode) |