Ks0121 keyestudio EASY plug Photo Interrupter Module

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EASY plug Photo Interrupter Module



Upright part of this sensor is an infrared emitter and on the other side, it’s a shielded infrared detector. By emitting a beam of infrared light from one end to another end, the sensor can detect an object when it passes through the beam. It is used for many applications including optical limit switches, pellet dispensing, general object detection, etc.
Note: this module needs to be used together with EASY plug control board.


  • Interface: Easy plug
  • Supply Voltage: 3.3V to 5V
  • Interface: Digital
  • Size: 38x20mm
  • Weight: 5g

Connection Diagram


Sample Code

// photo interrupter module
int Led = 13 ;// define LED Interface
int buttonpin = 3; // define the photo interrupter sensor interface
int val ;// define numeric variables val
void setup ()
  pinMode (Led, OUTPUT) ;// define LED as output interface
  pinMode (buttonpin, INPUT) ;// define the photo interrupter sensor output interface   
void loop ()
  val = digitalRead (buttonpin) ;// digital interface will be assigned a value of 3 to read val
  if (val == HIGH) // When the light sensor detects a signal is interrupted, LED flashes
    digitalWrite (Led, HIGH);
    digitalWrite (Led, LOW);




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