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BMP280 Barometric Pressure Sensor Module

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BMP280 overview

BMP280 is an absolute barometric pressure sensor specially designed for mobile applications. The sensor module is housed in an extremely compact package. Its small dimensions and its low power consumption allow for the implementation of battery-powered devices. A barometric sensor is ideal for measuring various weather conditions. This sensor has high accuracy and low cost making it an ideal solution for precision pressure measurements of up to ± 1 hPa and a temperature of up to ± 1.0 ° C. Because the pressure changes with altitude and pressure measurements are very accurate, you can use this sensor and the altimeter ± 1-meter accuracy.

Key specifications

Power Supply
3-5v (internal low dropout regulator)
Field Range
± 4800uT
Pressure Range
300-1100hPa
Temperature Accuracy
± 1.0 ° C
Peak Current
1.12mA
Temperature Range
-40 … +85 °C

Datasheet

bmp280.pdf
Format PDFSize 215 KBLanguage EN
Third-party / unverified source

BMP280 features

  • BMP280
  • Using Immersion Gold PCB, machine welding process to ensure quality

BMP280 pinout

NameDescription
VCCThe power source of 3.3VDC
GNDGround
SCLSerial Clock
SDASerial Data
CSBCSB pin to GND to have SPI and to VCC(3.3V) for I2C. It’s an input to the chip.
SDOSerial Data Out / Master In Slave Out pin, for data sent from the BMP280 to your processor

BMP280 datasheet PDF preview

PDF · 215 KB

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