IR Infrared Obstacle-Line Sensor Module for Robot Arduino Raspberry PI

Connection : VCC-VCC; GND-GND; OUT-IO
Using the comparator LM393, stable
Can be used for 3-5V DC power supply modules . When the power is turned on, the red power indicator light
With the screw holes of 3mm , easy fixed installation
Board Size : 3.1CM * 1.5CM / 1.22 * 0.59"

Interface Description (3-wire):
1. VCC: External 3.3V-5V voltage (can be directly connected to 5v MCU and 3.3v MCU)
2. GND: GND External
3. OUT: Small board digital output interfaces (0 and 1)