2 layers85.5 × 54 mm

STTS
EthanKerman/STTS
A behbeh credit card sized synth for your wallet. The keys are a full octave ad you can go up and down 2 more. The noise from a piezo disc which is why theres a hole in the board.
43 parts
Printed circuit boards designed in KiCad and published on GitHub, each with its parts, layers and size, its README and its files; open any of them in PCBKit.

EthanKerman/STTS
A behbeh credit card sized synth for your wallet. The keys are a full octave ad you can go up and down 2 more. The noise from a piezo disc which is why theres a hole in the board.