This video will show you How To Make A Laser Security System in easy steps.
The things you need are :
*2n3904 NPN Transistor
*5K Variable Resistor
*1000uF Capacitor
*LDR (Light Dependent Resistor)
*3-12V Siren
*Laser
*Wires
*9V Battery
*9V Battery Clip
*Breadboard
Join us on Facebook at / 27. .
Website : ayj.webs.com/
Негізгі бет How To Make A Laser Security System
Пікірлер