ITEM NAME:BMP280 Atmospheric Pressure Sensor Temperature Humidity Sensor Breakout Ard X0M8.BMP280, the precision sensor from Bosch, is soldered onto PCB. Humidity: 0-100%. Humidity: 0.008%. Humidity: +-3%. Not only the pressure and the temperature. Temperature: -40 to +85Â °C. Pressure: 300-1100 hPa.