Contains DS18B20 temperature sensor
9 to 12-bit selectable resolution
Uses 1-Wire interface- requires only one digital pin for communication
Unique 64 bit ID burned into the chip
Multiple sensors can share one pin
Temperature-limit alarm system
Query time is less than 750ms
Digital signal output
18B20 Temperature Sensor Chip
Resolution adjustment ranges from 9-12 bytes.
Send data via a pin
Temperature measurement ranges: -55°C to +125°C, be accurate to 0.5°C.