
Microcontroller boards
eBoard M66
by aKaReZa75
Educational shield for the Quectel M66 GSM module, fully compatible with Arduino UNO.
31 2GPL-3.0
237 published boards whose schematic and layout source is public — KiCad, EAGLE, Altium and EasyEDA projects you can read, fork and build on. Every entry links to the original repository and names its licence.
Every project listed here belongs to its author and is linked to its original repository. Licences are read from the repository metadata and summarised for convenience — check the licence file in the project itself before you manufacture or redistribute a design. ProtoFlow does not host, mirror or verify these files. Index last rebuilt 2026-09-21.