How To Make A Laser Security Alarm ( BC547 ) Transistor

Published September 11, 2020

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Aman Electro Circuit

Aman Electro Circuit

5.21K subs•59 videos•Jul 2020

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Hi friends I will show you How To Make A Laser Security Alarm ( BC547 ) Transistor Dosto is circuit me bc547 transistor ka us kiya hai or laser light, buzzer, resistance ka bhi us ki ya hai Is me 4v se le kar 9v tk battery lagti hai Mai yesi hi baye naye video is channel pe upload kar ta hu To mere channel ko Subs…

Published: September 11, 2020
Made for kids: No

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