1. Forefront of a switch module is installed there is a collision, the module output low, there is no collision, the output high.
2. Module aside M3 mounting holes to facilitate fixed in a small car.
3. Lights with a switch, there is a collision, lights, no collision, lights out.
Module Pin Descriptions:
1. VCC 3V-12V power supply.
2. Gnd connected to power ground.
3. OUT output high and low.
1pc Robot Car Model Collision Switch Sensor Module With Line.