2 layers65.2 × 45.2 mm

STEREO AMP MODULE V1
copperWhispers/stereo-amp-module
Open-source TPA3116D2 class-D stereo amplifier. KiCad source, gerbers, BOM, and the bench measurements.
63 parts2
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.

copperWhispers/stereo-amp-module
Open-source TPA3116D2 class-D stereo amplifier. KiCad source, gerbers, BOM, and the bench measurements.

copperWhispers/bathtub_piano_555_VCO
bathtub tune-able analog keyboard based around a 555 timer chip used in PPM configuration.