2John De Cristofaro for Adafruit Industries, fixed by f.althausDS18B20 1-Wire Temperature Sensor2012-08-07http://www.maxim-ic.com/datasheet/index.mvp/id/2812tempthermometermaximsensorsensorDS18B20DS18B20 1-Wire Temperature SensorSupply voltage (3-5V)ground1-Wire Data