2 amazing security alarm system, using reed switch and bc547

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2 amazing security alarm system, using bc547
Today i will show you how to make 2 awesome security alarm circuit using bc547 and reed switch, simple and easy security alarm circuit make at home. simple and easy electronics diy projects make at home.
I hopeful this video will be helpful for you and your friends please
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I hope you also like this, my other new cool projects videos.''
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[@colossalbigfoot256]

How about with type of timer. Meaning if door remains open past 1 minute the alarm would sound. Great for doors that get used but need to remain secure. In event door didn’t close all the way an alarm would sound after 30secs or a min or whatever.

[@bihariboy5817]

Best Sir and Easy Also.

[@ABTabi]

Thanks and welcome

[@2005saadcomputer]

Good work my friend like

[@ABTabi]

Thanks for the visit

[@jpscafe7648]

Valeu! Da hora!!

[@ABTabi]

Most welcome dear friend ,,,,,,,

[@Everything-gj6wr]

We want a sensor that shows the water level in the tank

[@omerqedirli6588]

Amazing

[@ABTabi]

Thanks

[@ROSECOLORS]

Nice sr.

[@ABTabi]

Keep watching

[@arindam9932]

Sir please try to make a 2 ampere 3.7v to 5v boost converter circuit

[@chandrarao6217]

Nice videos brother a doubt regarding 100watt mini transformer I've posted in comment in that video too please help.

[@ABTabi]

Ok wait

[@nashnoranashnora6851]

Nice brather

[@ABTabi]

Thank you ,,,,,

[@krn_68]

Hi