- The sensor module output port OUT can be directly connected with the microcontroller IO port can also be driven directly to a 5V.
- Connection: VCC-VCC; GND-GND; OUT-IO
- The comparator using LM393, stable;
- 3-5V DC power supply module can be used.
- When the power is turned on, the red power LED is lit;
- Each module in the delivery has threshold comparator voltage adjustable via potentiometer