BME280
Bosch BME280 combined temperature, humidity, and barometric pressure sensor over I2C (0x76/0x77) or SPI. Supply range 1.71–3.6 V; use 3.3 V logic with ESP32. Typical accuracy: ±1°C, ±3% RH, ±1 hPa.
Pinout
- VCC
3.3V power supply for typical breakout use; BME280 IC VDD range is 1.71–3.6V
Type · PowerVoltage · 3.3 - GND
Ground
Type · Ground - SDA
I2C data line (shared bus with SSD1306)
Type · I2C - SCL
I2C clock line (shared bus with SSD1306)
Type · I2C - SDO
I2C address select: LOW = 0x76, HIGH = 0x77
Type · GPIO
| Pin | Type | Function | Voltage |
|---|---|---|---|
| VCC | Power | 3.3V power supply for typical breakout use; BME280 IC VDD range is 1.71–3.6V | 3.3 |
| GND | Ground | Ground | |
| SDA | I2C | I2C data line (shared bus with SSD1306) | |
| SCL | I2C | I2C clock line (shared bus with SSD1306) | |
| SDO | GPIO | I2C address select: LOW = 0x76, HIGH = 0x77 |
Pin details
5 connections- VCC
3.3V power supply for typical breakout use; BME280 IC VDD range is 1.71–3.6V
PowerVoltage · 3.3 - GND
Ground
Ground - SDA
I2C data line (shared bus with SSD1306)
I2C - SCL
I2C clock line (shared bus with SSD1306)
I2C - SDO
I2C address select: LOW = 0x76, HIGH = 0x77
GPIO
Start wiring
I2C · SPI · Single data line · 3.3 – 5 V · Breakout
Confirm the data interface matches your host board.
Module pins: VCC, GND, SDA, SCL. Schematik maps them to your board in the app.
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