Working with LDR

Abstract

  • Light Dependent Resistor (LDR) also known as Photoresistor.
  • This project demonstarate how to use LDR in Arduino.
  • The Value of LDR changes with the Light Exposed.
  • The Value of LDR is printed to Serial monitor.

Objective

  • To output the LDR value when exposed to different lightings.
Components Required
Component Qty Remarks
Arduino 1 UNO
Breadboard 1 small
LDR 1 5 MΩ
Resistor 1 1 10 kΩ
Jumper Wires as required
Circuit Diagram
Circuit Diagram: LDR
Schematic Diagram
Shematic Diagram: LDR
Breadboard Diagram
Breadboard Diagram: LDR

Code

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