Clap switch (no microcontroller)

My girlfriend want her lamp switch, but from bed! So I must planned a clap switch. The circuit is very easy: I don't used a microcontroller. The input is a microphone, what the audio signal accept. The next part a audio amplifier, what the signal amplify, suiting. The good signal process a flip-flop. The first clap turn on a relay, and the second clap turn off the relay. To the circuit I used a SMD parts (0805), that the size be small. The circuit can approx. 2000W switch, in 230V. The PCB has two layer. The circuit operate good, the sensitivity is very good.



Sep 04,2016
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PCB
HDI PCB
Assembly
FPC/
Rigid-Flex
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2 Layers
1.6mm
CNC
Machining
Sheet Metal
3D Printing
Injection
Molding
Aluminum
Aluminum
Resin
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