Audio Voice-over circuit using LM386

[guclusat]

Required Components

1. LM386
2. 10uF / 16V capacitor
3. 470uF / 16V
4. 0.047uF / 16V Polystar Flim Capacitor
5. 10R ¼ Watt
6. 12V Power Supply unit
7. 12V Relay
8. Tactile switch
9. 3.5mm Audio Jack
10. 8 Ohms / .5 Watt Speaker
11. Capsule or Electret Microphone
12. .1uF capacitor
13. 10k 1/4th Watt Resistor
14. Bread Board
15. Hook up wires

If you are interested in Vero board the following things will be additionally needed-

1. Soldering Iron
2. Soldering Wire
3. Vero board.

Circuit Diagram and Explanation