IR Sensor Module

. The sensor module output port OUT can be directly connected with the microcontroller IO port can also be driven directly to a 5V relay; 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. With the screw holes of 3mm, easy to install. Board size: 3.1CM * 1.5CM.