Introduction: How to Make Light Sensor - DIY Automatic Street Light

In This Video You Will Learn How To Make Light Sensor Or What is Known As Automatic Street Light , As Always Its Easy, Simple And Fun To Make. I Hope You Enjoy It .

Step 1: Components :

Component :
9V Battery & Its Clip

Bread Board

Jumpers

LED

LDR

2x 2n2222a

2x 1K ohm

Step 2: Circuit Diagram

Step 3: How to Make It ?

Simply Watch the video ^_^

Step 4: Check Out My Other Project :

Take A Look At My Youtube Channel For More Amazing Videos Like This , They Are All Easy, Simple And Fun To Make .

YouTube : https://www.youtube.com/c/zhyarshexazard

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Email : Zhyar_shexazard@yahoo.com

Comments

author
adker27 (author)2017-02-10

I love this but I need it to run some 12v LED lights. Any suggestions?

author
mahesh_jo (author)2016-08-05

well done zhyar, Try attaching a variable resister so that the sensitivity can be controlled.

author
zhyar4kurd (author)mahesh_jo2016-08-06

^_^ Thanks , That's an amazing idea

author
sina elec (author)2016-08-02

Har Beji✌

author
zhyar4kurd (author)sina elec2016-08-02

hahaha for the first time I see someone speaks Kurdish on instructables , zor supas :)

author
monjen72 (author)2016-08-02

how did u connect these 2 ttls base to connector or base to emitter ??

author
zhyar4kurd (author)monjen722016-08-02

sorry I didn't understand can you elaborate your words ! what is ttls ?

author
rafununu (author)2016-08-02

That works with only one transistor if you've got a load with a relative high impedance, such as a Led.

author
zhyar4kurd (author)rafununu2016-08-02

I tested it with one 2n2222a transistor and it worked but it wasn't so efficient and the LDR was not sensitive also the LED wasn't Bright . so I decided to make it with two transistors and as you can see in the video the results are perfect