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With this sensor board you can measure both air pressure and temperature. The sensor can be controlled either via I2C or via SPI. Because the BMP280 is so widely used, there are already a large number of application examples to be found online.
You'll find further information and sample-code here.
Specifications:
- Model: BMP280
- Special feature: Air pressure and temperature sensor
- Supply voltage: 3.3 V
- Logic level: 3,3 V
- Interface: I2C (0x76,0x77), SPI
- Supply current: 2.7 µA @1 Hz sampling rate
- Air pressure range: 300 - 1100 hPa
- Relative accuracy: ±0,12 hPa
- Absolute accuracy: ±1 hPa
- Air pressure resolution: 0,16 Pa
- Temperature range: -40 to 85 °C
- Temperature accuracy: ±1 °C
- Temperature resolution: 0,01 °C
- Operating temperature: -40 to 85 °C, full accuracy 0 to 65 °C
- Dimensions: 15,5 x 12 x 2,7mm
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