Please choose one of options
B for BMP280
E for BME280
BME280 can measure air pressure, temperature, and humidity, while else; BMP280 can only measure air pressure and temperatures. The BME280 unit is an upgrade to BMP280. Due to their almost similar features and parameter performance.
BMP280 Digital Barometric Pressure Sensor Board I2C/SPI 3.3V Atmospheric pressure, temperature and altitude sensor
Chip: BMP280
Power supply: 3V/3.3V DC
Peak current: 1.12mA
Air pressure range : 300-1100hPa (equi. to +9000…-500m above sea level)
Temperature range: -40 … +85 °C
Digital interfaces: I²C (up to 3.4 MHz) and SPI (3 and 4 wire, up to 10 MHz)
Current consumption of sensor BMP280: 2.7µA @ 1 Hz sampling rate
Description
BME280, the precision sensor from , is soldered onto PCB.
Not only the pressure and the temperature, this sensor can measure humidity.
It uses both I2C and SPI (supports 3-, 4-wire SPI) interface
Specifications:
Supply Voltage: 1.8 - 5V DC
Interface: I2C (up to 3.4MHz), SPI (up to 10 MHz)
Operational Range:
Temperature: -40 to +85°C
Humidity: 0-100%
Pressure: 300-1100 hPa
Resolution:
Temperature: 0.01°C
Humidity: 0.008%
Pressure: 0.18Pa
Accuracy:
Temperature: +-1°C
Humidity: +-3%
Pressure: +-1Pa
I2C address
SDO LOW : 0x76
SDO HIGH: 0x77
Sample projects:
How to Interface BMP280 Pressure Sensor Module with Arduino
Обзор и подключение модуля атмосферного давления BMP280