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0:15
YouTube
R Electric
Sound-Activated LED Light Circuit Using BC547 #electronicsproject #electronicsdiy
Sound-Activated LED Light Circuit Using BC547 Transistors This simple sound-activated LED circuit uses an electret microphone to detect sound vibrations and amplify the signal through BC547 transistors. When a clap or loud sound is detected, the amplified signal drives the LED to turn on. Powered by a 9V battery, it’s an easy DIY project ...
1.5K views
4 months ago
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