Photosensitive Sensor Module Detection Photoresistor LDR Light Sensor Module COM44, R17

Fr2,500

Photosensitive resistance module Is most sensitive to ambient light. Module is commonly used to detect amient light. Module can be directly connected with Microcontrollers or to trigger relay module. Module sets output to LOW logic (on DO pin) if the light intensity is  higher than set point. Module only supports digital output and does not has Analog output.

In stock

SKU: SEN8558 Category:

Description

Photosensitive resistance module is most sensitive to ambient light. Module is commonly used to detect amient light. Module can be directly  connected with Microcontrollers or to trigger relay module. Module sets output to LOW logic (on DO pin) if the light intensity is  higher than set point. Module only supports digital output and does not has Analog output.

Features

  • Uses photosensitive resistance sensor
  • Uses LM393 wide voltage comparator
  • Clean signal, good waveform, strong driving ability for more than 15 mA
  • With adjustable potentiometer to adjust light sensitivity
  • Has single mounting hole
  • Small board PCB size: 3.2 cm x 1.4 cm

Technical Specifications

  • Operating voltage of 3.3 V to 5 V
  • Output Type: Digital Output (0 and 1)
  • PCB size: 3.2 cm x 1.4 cm
  • Output Low: when light intensity is higher than set point
  • Output High: when light intensity is lower than set point

Getting started with the Photosensitive Sensor Module Detection Photoresistor LDR Light Sensor Module

To introduce the basic steps on how to use LDR digital sensor Module with Arduino UNO or other Microcontroler to detect the light brightness in the environment and decide to switch OFF or ON light.

Hardware required

Connecting the Hardware

Connect the LDR digital sensor Module to the Arduino  as shown below,

CODE

upload it into IDE

int ldrPin = 7;
int ledPin= 12;
int val = 0;
void setup() {
pinMode(ldrPin, INPUT);
pinMode(ledPin, OUTPUT);
Serial.begin(9600);
}

void loop() {
int val = digitalRead(ldrPin);
Serial.println(val);

if(val == HIGH ){
digitalWrite(ledPin, HIGH);
Serial.println(“LED ON”);
}
else{
digitalWrite(ledPin, LOW);
Serial.println(“LED OFF”);
}
}

RESULT

Before to detect the light brightness in the environment ,LED is  ON

Open Serial Monitor to see the result.

LDR detects Light ,LED turn Off

Open Serial Monitor to see the result.