modified 5 months ago

Audio switch V1

00:43:04

This device turns on 12v appliance when audio is detected. Still a couple of tweaks but seems to work In theory. I am using this to wire into the back of a motion detector with a built in alarm speaker. This speaker is a bit too quiet so I was going to wire up my own siren using this circuit. Any suggestions are welcome and appreciated :)

The switch on the left is supposed to mimic the alarm going on and off on the motion detector. 

published 5 months ago

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