Specification:
Operating Voltage 3.3V-5V.
The output in the form: DO digital switching outputs (0 and 1) and AO analog voltage output.
A fixed bolt holes for easy installation.
Small plates PCB size: 3.2cmx1.4cm.
Using a wide voltage LM393 comparator.
Wiring Instructions:
1. VCC: VCC3.3-5V
2 .GND: GND
3. DO: TTL switch signal output
4. AO: Analog Output