MAX31825 - Temperature Sensor
The MAX31825 temperature sensor provides 8-bit to 12-bit Celsius temperature measurements with better than ±1°C accuracy from 0°C to +70°C and ±1.75°C from -45°C to +145°C.
The sensor communicates over a 1-Wire® bus that, by definition, requires only one data line (and ground) for communication with
MAX31825 Features
* 1-Wire Interface Requires Only One Port Pin for Communication
* Unique 64-bit Serial Code Stored in an On-Board ROM
* External Resistor Selects Address for Location Identification
* Can Be Powered From Data Line
* Power Supply Range is 1.6V to 3.6V (External Power), 2.3V to 3.6