How to make automatic switch on the light by voice or sounds - Automatic switch circuit
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Hello my loved people today i would to show you about How to make automatic switch on the light by voice or sounds - Automatic switch circuit.
Component:
- 1 Relay 12V DC
- 2 Resistance 10k ohm, 1k ohm
- 1 Mic ( can take it from tape )
- 1 Transistor: SCR 2P4M
- Power Input 9V to 12V DC
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