How to Make Laser Alaram
5 years ago
16
Hello Friends, in this video i will show you an amazing idea. which is very good for School projects.
Things That i Use:
Bike Buzzer
LDR Sensor
BC 547 Transistor
9V Battery
Laser
That's it for today guys, i hope you like this video thanks for watching and don't forget to Like, Comment Subscribe and Share.
Share, Support, Subscribe.!!!!!!!
Subscribe: https://www.youtube.com/channel/UC92-zm0B8vLq-mtJtSHnrJQ
Google+: https://plus.google.com/u/0/113988421906699408873
Tobu - Infectious [NCS Release]
Music provided by NoCopyrightSounds.
Video: https://youtu.be/ux8-EbW6DUI
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