Description: BME280 is soldered onto PCB. Not only the pressure & temperature, it can measure humidity. It uses both I2C and SPI (supports 3-, 4-wire SPI) interface. With an I2C connection you have access to enough weather data to make some pretty good predictions for your local area . A great new chip originally designed for the next generation of smartphones. As a connected sensor of the Internet of Things, BME280 is further applied in home automation, smart energy, intelligent transportation, and elderly care. Specification: Supply Voltage: 5V DC Size: 15x15mm/ 0.6x0.6inch Package Includes: 1 Piece BME280 Pressure Temperature Sensor