Row 2 is the station pressure reduced to sea level for your altitude, so it matches the QNH your local airport / weather service quotes. Mirrors full-precision values to the serial port at 9600 baud, ...
Measure atmospheric pressure, altitude, and temperature with confidence using the BMP280 Temperature & Altitude Sensor Breakout. Built around Bosch Sensortec's proven BMP280 sensor, this breakout ...