Seeed 101020192 grove barometer sensor based on bmp280 i2c 3 3 5v seeed studio 101020192 the grove b barometer b sensor is a low cost high precision environmental sensor that is based on the new b bmp280 b sensor an upgraded version of the bmp180 br br the sensor can carry out precise measurement of ambient barometric pressure and temperature with air pressure measurable in a range from 300 to 1100hpa with plusmn 1hpa absolute accuracy for temperature measurement the senso