ITEM NAME:1 Pc x TMP102 Digital Temperature Sensor Breakout Universal High Precision.This is a breakout board for the incredibly small TMP102 digital temperature sensor The TMP102 is a digital sensor (I2C a.k.a.TWI), has a resolution of 0.0625Â °C, and is accurate up to 0.5Â °C. Communication with the TMP102 is achieved through a two-wire serial interface.