Adafruit Temperature Humidity Pressure Sensor BME280 I2C or SPI
This Temperature Humidity Pressure Sensor BME280 from Bosch is the best low-cost sensing solution for measuring humidity with ±3% accuracy, barometric pressure with ±1 hPa absolute accuraccy, and temperature with ±1.0°C accuracy. Because pressure changes with altitude, and the pressure measurements are so good, you can also use it as an altimeter with ±1 meter or better accuracy!
The BME280 is the next-generation of sensors from Bosch, and is the upgrade to the BMP085/BMP180/BMP183 – with a low altitude noise of 0.25m and the same fast conversion time. It has the same specifications, but can use either I2C or SPI. For simple easy wiring, go with I2C. If you want to connect a bunch of sensors without worrying about I2C address collisions, go with SPI.
Nice sensor right? The surface-mount sensor is soldered onto a PCB and comes with a 3.3V regulator and level shifting so you can use it with a 3V or 5V logic microcontroller without worry.
TECHNICAL DETAILS
Datasheet
Product Dimensions: 19.0mm x 18.0mm x 3.0mm / 0.7″ x 0.7″ x 0.1″
Product Weight: 1.0g
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Adafruit BME280 Humidity + Barometric Pressure + Temperature Sensor Breakout
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