AHT20+BMP280 Temperature humidity Air Pressure Sensor Module High-Precision About Product: AHT20+BPM280 temperature, humidity and air pressure module Product Overview This product adopts the new digital temperature and humidity sensor AHT20 and Bosch BPM280 composed of Aosong, I2C mainstream output, Support simultaneous online access to multiple I2C electronic devices or modules, voltage DC2.8V-5V