2 layers92.4 × 33.8 mm

UIbuttons
ThatguyCplus/truck-switch-reverse-eng
Reverse engineering of a truck steering-wheel cruise/retarder switch panel (SKNY_FXP1 V1.1): schematic, netlist, resistor ladder decode, Arduino + Python toolchain
63 partsMIT
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.

ThatguyCplus/truck-switch-reverse-eng
Reverse engineering of a truck steering-wheel cruise/retarder switch panel (SKNY_FXP1 V1.1): schematic, netlist, resistor ladder decode, Arduino + Python toolchain