ITEM NAME:BMP-280 BMP280 Precision Temperature/Humidity/Pressure Sensor for Arduino-Pi.1 BMP280 Atmospheric Pressure Sensor Temperature Humidity Sensor Breakout. It uses both I2C and SPI (supports 3-, 4-wire SPI) interface. Humidity: 0-100%. Humidity: 0.008%. Humidity: +-3%. Temperature: -40 to +85Â °C.