4 layers55 × 20 mm

Substrate PocketMusic3
SubstrateElectronics/SoundStick
An eraser sized music player/walkie-talkie supporting Bluetooth and SD card playback.
66 parts1CERN-OHL-W-2.0
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.

SubstrateElectronics/SoundStick
An eraser sized music player/walkie-talkie supporting Bluetooth and SD card playback.