Project27.Photo Interrupter Module

Description

The KY-010 Photo Interrupter module is a switch that will trigger a signal when light between the sensor’s gap is blocked. This module is suitable for various electronics platforms like Arduino, Raspberry Pi, ESP32 and others.

Specification

Operating Voltage 3.3V ~ 5V
Board Dimensions 18.5mm x 15mm

Connect

_images/27_bb.png

Code

int Led = 13; // define LED pin
int buttonpin = 3; // define photo interrupter signal pin
int val; //define a numeric variable

void setup()
{
    pinMode(Led, OUTPUT); // LED pin as output
    pinMode(buttonpin, INPUT); //photo interrupter pin as input
}

void loop()
{
    val=digitalRead(buttonpin); //read the value of the sensor
    if(val == HIGH) // turn on LED when sensor is blocked
    {
        digitalWrite(Led,HIGH);
    }
    else
    {
        digitalWrite(Led,LOW);
    }
}

Phenomenon