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sensors / bmp280.md

BMP280 (Adafruit)

The BME280's sibling without humidity — same Bosch chip family, same I²C/SPI bus, same code (use Adafruit_BMP280 lib). Pick this when you only need temp + pressure.

In stock Bosch / Adafruit CC-BY-SA-3.0 2 files · 1.2 MB

Specs

Spec Value
Temp -40 to 85 °C, ±1 °C
Pressure 300–1100 hPa, ±1 hPa (±0.12 hPa relative)
Bus I²C or SPI
I²C address 0x77 (or 0x76)
Voltage 3.3 V (board has LDO + LS)

Wiring + Code

Same as BME280 — swap Adafruit_BME280 for Adafruit_BMP280, drop the humidity read.

Schematic

Adafruit BMP280 breakout is open-hardware (CC BY-SA-3.0). Schematic + Eagle: GitHub: adafruit/Adafruit-BMP280-PCB.

Last updated: 2026-05-13 · Source on GitHub