2 layers29.2 × 24.1 mm

8pin adapter
bertrandmartel/metec-braille-driver
:hand: Driver for Metec Braille-line 20 Cell module for Arduino & Raspberry PI
3 parts20MIT
KiCad boards from 2 GitHub repositories tagged “cmake”, the most starred first; open any of them in PCBKit.

bertrandmartel/metec-braille-driver
:hand: Driver for Metec Braille-line 20 Cell module for Arduino & Raspberry PI

choicebuilds/SumoBot-v2
A Robojackets robot (v2) built from scratch, featuring a custom 4-layer PCB, STM32-based (ARM Cortex-M3) firmware written in C (STM32CubeMX + CMake), and a 3D-printed chassis.