Wiring Diagram

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220 VOLT DISCO LAMP CIRCUIT SCHEMATIC DIAGRAM

You can use either moving coil microphone or condenser microphone for this circuit. Make sure the electrolytic capacitor is rated for 16 volt or more. The potentiometer shown in the schematic diagram is used to adjust the gain of the pre-amplification. You can adjust this potentiometer to get a proper sound level where the relay would be activated.

List Componet Of Disco Lamp circuit

    R1 : 22k 1/4 watt resistor
    R2 : 4K7 watt resistor
    R3 : 2K2 watt resistor
    R4,R8 : 10K watt resistor
    R5 : 33K watt resistor
    R6 : 56K watt resistor
    R7 : 1M watt resistor
    Potensio: 50K
    C1 : 470uf/35V electrolytic capacitor
    C2 : 22n ceramic capacitor
    C3 : 100n ceramic capacitor
    C4 : 1Uf/50V electrolyticcapacitor
    D1 - D5 : 1N4007
    D6 : Zener 5.1v
    D7 : 1N4148
    IC : CD 4069
    SCR : FIR 3D
    Mic : Mic Condensor ider I used.