BME280 Temp / Humidity / Pressure
I²C / SPI sensor with ±0.5 °C, ±3 %RH and ±1 hPa accuracy — plugs straight int
300–1100 hPa plus temperature over I²C at 0x76 (0x77 with ADDR high) for page 38, which shows pressure, altitude and trend. ★ This is the pressure-only BMP280, not the humidity-capable BME280.
Shares 0x76 (0x77 with ADDR high) with the BME280, so only one can sit on the bus. The bus is shared with SHT30 / BH1750 / MLX90614 / QMC5883L / VL53L0X — they coexist as long as addresses do not clash.
| Interface | I²C 0x76 / 0x77 |
|---|---|
| Range | 300–1100 hPa |
| Resolution | 0.16 Pa |
| Firmware page | Page 38 · Barometer |
Owners talk about wiring, quirks and fixes here — ask anything.
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