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Description:
1.The BMP280 sensor, an environmental sensor with temperature, barometric pressure that is the next generation upgrade to the BMP085/BMP180/BMP183.
2.This sensor module is great for all sorts of weather sensing and can even be used in both I2C and SPI.
3.This precision sensor is the best low-cost, precision sensing solution for measuring 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 accuracy.
Parameters:
Relative humidity range: 0-100%
The temperature range is -40 ° C- + 85 ° C
Humidity measurement response time: 1s
Lag: relative humidity 2%
Pressure range: 300-1100 hPa
Absolute pressure accuracy: Absolute value ± 1hPa
Absolute temperature accuracy: ± 0.5 ° C (at 25 ° C)
Communication interface: I2C, SPI
Working voltage: DC3.3V
Size:Approx. 16* 12mm/0.62"*0.47"(L*W)
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. sirometry）
Vertical velocity indication（e.g. risk/sink speed）
Handsets such as mobile phones ,table PCs,GPS devices
Navigation systems
Package Includeds:
10* BMP280 3.3V Atmospheric Pressure Sensor module
Tip:
The I2C address was 0x76 and not the 0x77 default used by most other sensors.
You have to manually change the address inside the Adafruit_BMP280.h to: #define BMP280_ADDRESS (0x76),Then it started to work.
Andrew A. Straws
Reviewed in the United States on March 4, 2022
The Adafruit BME280 library will not function with this sensor. The chip_id is 0x58 which is the BMP model, not 0X60 for the BME model. If you are wanting Humidity this sensor will not read Humidity. Other than the misrepresentation in the products description (not being a BME) the sensor worked very well.
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