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2x GY-BMP280 Pressure Sensor Module Arduino High Precision Atmospheric - $5 (Beverly Hills ADj)
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BMP280 Pressure and Temperature Sensor
Each Package Includes
2 x BMP280 Pressure Sensor Module Arduino High Precision Atmospheric
2 x Straight 4x1 2.54mm Headers
Bosch has stepped up their game with their new BMP280 sensor, an environmental sensor with temperature, barometric pressure that is the next generation upgrade to the BMP085/BMP180/BMP183. This sensor is great for all sorts of weather sensing and can even be used in both I2C and SPI!
This precision sensor from Bosch is the best low-cost, precision sensing solution for measuring barometric pressure with ±1 hPa absolute accuracy, 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 accuracy
Typical application：
Enhancement of GPS navigation
e.g. time-to-first-fix improvement, dead-reckoning，slope detection
Indoor navigation（floor detection，elevator detection）
Outdoor navigation，leisure and sports applications
Weather forecast
Health care application（e.g. spirometry）
Vertical velocity indication（e.g. risk/sink speed）
Target devices
Handsets such as mobile phones ,table PCs, GPS devices
Navigation systems
Portable health care devices
Home weather stations
Flying toys
Watches
PCB size:(L*W)1.52* 1.20cm/0.60"*0.47"