From Dave Ehnebuske on Hackaday.io:
Version 1 of this project — shown here — consists of a LM386-based audio amplifier that drives a bone-conduction audio transducer. The transducer has been fitted with a cylindrical metal rest into which the gramophone’s needle is placed. The result is that in coming audio vibrates the gramophone’s needle just as the groove of a 78 record would: I’t like having my whole digital playlist as a collection of 78s.
Version 2? Bluetooth enabled, because why not?
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