DIY Laser Security System

Laser sexuirty system

Step 1: What You Will Need ?

component :

9v battery

100 ohm resistor

6.8 K ohm resistor

2n7000 transistor

buzzer

LED

LDR ( light dependent resistance)

Step 2: How to Make It ?

Do It As The Circuit Diagram

Step 3: Test !

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Comments

[sina elec]

hi zhiar are you from kurdistan

[zhyar4kurd]

hello , yes iam from kurdistan :D

[pucksurfer]

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

[zhyar4kurd]

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

[pucksurfer]

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]

I Changed the cover for you :D

[pucksurfer]

Haha. Lol. Thanks ;)

[Cubit-GamesY]

its from a terrible Disney TV show called Kickin It

[zhyar4kurd]

i changed the cover for you too guys :D

[zhyar4kurd]

:D thanks for your comment

[Edbed]

Cool

[zhyar4kurd]

thanks for your comment