विचारों
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LED Flasher Circuit Using BC547# The simplest #One transistor BC 547 Blinking LED
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How I found a spy app on my Android phone...
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This Android Gesture App is So Cool!
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DIY Police Light Strobe #shorts
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555 Timer #basicelectronics
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World's brightest flashlight
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Godox Flash APP - Part One: Connect #shorts
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This is a FLASHBANG!
