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Another ? electret powered device

Started by postingsite, July 01, 2019, 08:08:25 PM

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postingsite

July 01, 2019, 08:08:25 PM
Another ? electret powered device

Powered by the type of electret in microphones etc

https://en.wikipedia.org/wiki/Electret
https://en.wikipedia.org/wiki/Electret_microphone

I'm sure this and variations have been designed before, but decided to post it anyway

EDIT - have corrected the diagram

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