Arduino Light Senser Using LDR

This project uses LDR for a light sensor.

Jun 6, 2018

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2 respects

lights

smart appliances

internet of things

Components and supplies

Breadboard (generic)

Photo resistor

Arduino UNO

LED (generic)

Apps and platforms

Arduino IDE

Project description

Code

CODE FOR LDR

arduino

1void setup() {
2  Serial.begin(9600); // Start Serial.
3  pinMode(13,  OUTPUT);
4}
5
6void loop() {
7  int A = analogRead(A0);
8  Serial.println(A);//  Display serial results in serial monitor.
9  if (A < 100 ) {   // Change 100 to  the number depending on the light in your area.
10    digitalWrite(13, HIGH);
11  }
12
13  else {
14    digitalWrite(13, LOW);
15  }
16
17
18}

void setup() {
  Serial.begin(9600); // Start Serial.
  pinMode(13,  OUTPUT);
}

void loop() {
  int A = analogRead(A0);
  Serial.println(A);//  Display serial results in serial monitor.
  if (A < 100 ) {   // Change 100 to  the number depending on the light in your area.
    digitalWrite(13, HIGH);
  }

  else {
    digitalWrite(13, LOW);
  }


}

Downloadable files

CONNECTIONS

Documentation

CONNECTIONS

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