Introduction: DIY Laser Security System

Picture of DIY Laser Security System

Laser sexuirty system

Step 1: What You Will Need ?

Picture of What You Will Need ?

component :

9v battery

100 ohm resistor

6.8 K ohm resistor

2n7000 transistor



LDR ( light dependent resistance)

Step 2: How to Make It ?

Picture of How to Make It ?

Do It As The Circuit Diagram

Step 3: Test !

Step 4: Support Me by (Like, Share , Subscribe , Vote and Follow )


SenithU made it! (author)2015-08-15

I also made it .It's very simple.

zhyar4kurd (author)SenithU2015-08-15

Thank You For Commenting , Weldon

sina elec (author)2015-06-14

hi zhiar are you from kurdistan

zhyar4kurd (author)sina elec2015-06-14

hello , yes iam from kurdistan :D

pucksurfer (author)2015-06-01

The cover image... Please no. it brings back bad memories of little sister obsessions

zhyar4kurd (author)pucksurfer2015-06-02

:D thanks for your comment but i didnt get the gist of your comment

pucksurfer (author)zhyar4kurd2015-06-02

Cubit-GamesY has it right on... I learned to hate that show, it was classic Disney show... On steroids (because of how bad it was)

zhyar4kurd (author)pucksurfer2015-06-03

I Changed the cover for you :D

pucksurfer (author)zhyar4kurd2015-06-03

Haha. Lol. Thanks ;)

Cubit-GamesY (author)zhyar4kurd2015-06-02

its from a terrible Disney TV show called Kickin It

zhyar4kurd (author)Cubit-GamesY2015-06-03

i changed the cover for you too guys :D

zhyar4kurd (author)Cubit-GamesY2015-06-03

:D thanks for your comment

Edbed (author)2015-06-01


zhyar4kurd (author)Edbed2015-06-02

thanks for your comment

About This Instructable




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