ELETTRONICA

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Conexión de un led a la red (230VAC)
Bricotronika: Conexión de un led a la red (230VAC)
CD4047 Simple Astable multivibrator Circuit | ElecCircuit.com
Microphone circuit diagram
This is the microphone circuit diagram. the maximum amplifier needs a microphone. without a microphone audio are nothing. for recording any audio we need a microphone. we hear sound this sound recorded using this type of circuit. this is so easy circuit. here used 3.7-volt battery.