Homemade - ELECTRONIC PIANO TUNER DEVICE - untested gadget

$6.00

For Sale:  No idea if or how this works. It's has a ton of circuitry inside and obviously took a fair amount of skill and knowledge to construct.   Am guessing the attached cable is for power supply looks like typical ATX PC connector so it's possible could be 5 and 12 volt DC, but not sure.

Additional/higher resolution photos may be available, contact for details.

Send your zip code for a ship cost estimate - should be between $6.99 and $11.99 if you are in the continental USA. (April 2020).

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