The thermal resistance of the module is very sensitive to the ambient temperature, generally used to detect the ambient temperature. Through the adjustment of the potential meter can change the temperature detection threshold.
Specifications
DC Current per I/O Pin
Digital Output -15
mA
I/O Pins
Digital Output (0 and 1)
Input Voltage
3.3V ~ 5V
Operating Voltage
5
V
Sensor
NTC Thermistor Sensor
Temperature Range
20-80
°C