In this vid, I'll show how to make a super simple super cheap mint tin microphone using a piezo mic. Both the piezo mics and the 3.5mm outputs can be found on various online stores; you could probably get a job lot on AliExpress or similar.
Music from build section: https://abominablesounds.bandcamp.com/track/cocoon
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https://linktr.ee/abominablemusic
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