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Read Time:1 Minute, 31 Second What is Mobile Phone Detector? We are well familiar with mobile phone active detectors. The cell phone detectors are mostly…
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Read Time:2 Minute, 35 Second Screaming Siren Circuit:- Siren may be a device that produces clap. they’re the means communication. Sirens will be seen in…
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Read Time:2 Minute, 0 Second Music Operated Dancing LED’s Using BC547 Transistor Theory Overview: You must have seen the Disco Lights or DJ lights, which Turn…