Street Lights Automation | How to Use LDR With Arduino

  


Introduction:

At some point in our lives, we have wondered how the Street Lights work? Is there a person controlling these lights? Is it timed according to the duration of the day?

All of this happens with the help of an LDR (Light Dependent Resistor). In this article, we will be making a project to automate street lights with LDR. So read the article till the end.  


Required Components:

To make the project you need the following components:

1.      Arduino Circuit Board

2.      LDR (Light Dependent Resistor)

3.      5 LEDs

4.      5 220Ω Resistors

5.      1 10k Ω Resistor

6.      Breadboard

7.      Jumper Wires


Circuit Diagram:

Follow this circuit diagram to patch the circuit.


1.      Digital Pin 4 Positive End of LEDs

2.      Ground → Negative End of LEDs

3.      Arduino 3.3V Terminal → One End of LDR

4.      Arduino A0 Pin → Other End of LDR, that has connected to 10k Ω Resistor

5.      Ground → Other Terminal of 10k Ω Resistor


Project Code:


Hardware Setup:

Watch this complete video to get a better understanding of circuit patching and code.


 

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