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Voice-Activated Switch Schematic

This circuit allows you to switch stuff on by speaking. Unfortunately, it does not recognize individual words like illuminate and deluminate.

Parts List:
Resistor [R1, R5, R8] 1K
Resistor [R2] value depends on type of mic used
Resistor [R3, R6, R12] 100 K
Resistor [R4] 47 K
Resistor [R9] 3.9 K
Resistor [R10, R11] 8.2 K
Potentiometer [R7] 100 K
Capacitor [C1, C4, C5] 100nF
Capacitor [C2, C3] 33nF
Capacitor [C6] 1uF
Diode [D1] 1N4148
IC TL082 or TL072
IC 4528 or 4538
Microphone electret condenser microphone



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