Jul 07

Sound Controlled Relay

Sound Control Switch2-schematic-diagram

Sound Controlled Relay Circuit Schematic Diagram

Sound Control Switch2-circuit

Sound Controlled Relay PCB and Components Layout

Parts List

Resistor :

  • R1,R8 ………………………… 100K
  • R2 ……………………………… 10K
  • R3 ……………………………… 100
  • R4 …………………………….. 3,9K
  • R5 ……………………………… 680
  • R6 ……………………………… 33K
  • R7 ……………………………… 470
  • R9 ……………………………….. 1K

Variable Resistor :

  • VR1 ………………………………. 1K

Capacitor :

  • C1,C3 …………………………….. 2,2K
  • C2,C6 ……………………………… 1uF
  • C4,C5 …………………………… 10KpF
  • C7 ………………………………… 10uF
  • C8 ………………………………… 47uF

Transistor :

  • TR1,TR2,TR3 ………….. FCS 9014
  • TR4 ………………………. FCS 9013

Diode :

  • D1,D2 …………………….. 1N4148
  • D3,D4 …………………….. 1N4002

Integrated Circuit :

  • IC1 ………………………….. SN7473

Other :

  • Relay ……………………………..12V
  • Condenser Mic