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BMP280 module, atmospheric pressure sensor module
Module model: GY-BMP280-3.3
Use chip: BMP280
Power supply: 3v
Communication method: standard IIC/SPI communication protocol
Air pressure range: 300-1100hPa
Using Immersion Gold PCB, machine welding process to ensure quality
Pin spacing: 2.54mm
Module size: 11.5mm*15mm

The BMP280 barometric pressure sensor is designed for mobile applications. The sensor module uses a very compact package. Its small size and low power consumption allow the realization of devices such as battery-powered mobile phones, GPS modules or watches.
The proven piezoresistive pressure sensor technology of BMP280 has electromagnetic compatibility with high accuracy, linearity, long-term stability and high robustness. Many equipment operation options provide flexibility, optimized power consumption of the device, resolution and filter performance. In the case of a test example used, the default settings are for developers in order to make the design as simple as possible.
application
GPS navigation enhancements (e.g. time advance improvement, dead reckoning, slope detection)
Indoor navigation (ground detection, elevator detection)
Outdoor navigation, leisure and sports applications
Weather forecast
Hygiene applications (eg spirometry)
Vertical speed indication (such as ascending or sinking speed)
Application areas such as weather forecast, altitude measurement, indoor navigation, fitness and sports, etc. The performance that the digital air pressure sensor BMP280 can provide, the relative accuracy is ± 0 12 hPa (equivalent to ± 1 meter).

* The altitude measurement
The barometric pressure sensor can also have GPS/GNSS accuracy, especially when the number of satellites is small or the GPS signal is lost. Today, the barometric pressure sensor has become a key element in the differentiation of smart phones.

The performance that the digital air pressure sensor BMP280 can provide, the relative accuracy is ±0.12 hPa (equivalent to ±1 meter), and the sensor power consumption is 2.7μA. BMP280 has a small package of 2.0 x 2.5 x 0.95 mm3, including pressure and temperature measurement functions.
Package list
1pcs module

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