Description:
1) can detect ambient temperature, can be used to detect the change in temperature but cannot be used to measure the temperature.
2) adjustable sensitivity (shown in blue digital potentiometer adjustment)
3) Operating voltage 3.3V-5V.
4) Analog voltage output and Digital switching outputs (0 and 1)
5) with fixed bolt hole for easy installation
6) small board PCB size: 3cm * 1.6cm
7) Power LED (red) and the digital switch output indicator (green)
8)using LM393 comparator chip.