Module LM393

Module LM393
Voltage: 5V
Power indicator light, the output signal LED indicating lamp.
TTL level output, TTL output signal for low level drive capacity of around 100MA, can directly drive the relay, a buzzer, a small fan, etc..
Sensitivity adjustment via potentiometer
The board and the control board is separate, convenient wire.
PCB Size: 2.5cm x 2cm.