Working with Light Dependent Resistor (LDR)

This illustrates the working with LDR

May 9, 2019

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starter

beginner

learn

Components and supplies

Resistor 10k ohm

Jumper wires (generic)

Breadboard (generic)

Arduino UNO

LDR, 5 Mohm

Apps and platforms

Arduino IDE

Project description

Code

arduino

The program prints the value of LDR to Serial Monitor

1const int LDR = A0;
2int input_val = 0;
3
4void setup()
5{
6  Serial.begin(9600);
7}
8
9void loop()
10{
11  input_val = analogRead(LDR);
12  Serial.print("LDR Value is: ");
13  Serial.println(input_val);
14  delay(1000);
15}

const int LDR = A0;
int input_val = 0;

void setup()
{
  Serial.begin(9600);
}

void loop()
{
  input_val = analogRead(LDR);
  Serial.print("LDR Value is: ");
  Serial.println(input_val);
  delay(1000);
}

Downloadable files

Breadboard Diagram

Make connections as shown in the breadboard diagram

Breadboard Diagram

Connections

The figure shows the close up of the connections

Connections

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Intro

Components and supplies

Apps and platforms

Project description

Code

Downloadable files