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- FelipeZm favorited Clapping Switch With BC547 Transistor, BC547 Double Transistor Audio Amplifier, Convert Old Cfl to Audio Amplifier and 3.7V Battery Low and Full Level Indicator Circuit by Utsource1235 months ago
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- FelipeZm favorited Heavy Bass Controller Circuit, Battery Percentage Indicator , How to Make Clapping Switch Circuit, How to Make Bicycle Horn Circuit Using BC547 Transistor and 1 other by Utsource1237 months ago
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