2 layers57.4 × 43.4 mm

SN76849 Arduino nano shield
pappavis/EasyLab-retro-synth-SN76489
1980's speelhal geluid vir Acorn BBC Micro en Sega Megadrive met Micropython
10 parts7
KiCad boards from 1 GitHub repository tagged “microbit-shield”, the most starred first; open any of them in PCBKit.

pappavis/EasyLab-retro-synth-SN76489
1980's speelhal geluid vir Acorn BBC Micro en Sega Megadrive met Micropython