DS18B20 is a digital temperature sensor from DALLAS U.S.
The temperature range -55 ~ +125 ℃, the inherent temperature resolution of 0.5 ℃, support multi-point networking .
It has a 9-12 bit serial output.
- Voltage: +5V
- Pin definition: 1--Output 2-Power 3---GND
- Weight: 5g