4 layers57 × 33 mm

Sensor pcb
nichlock/open-linear-scale
Open-source capacitive linear encoder / DIY DRO scale: KiCad PCBs, STM32 firmware, and test data. Same principle as digital calipers.
69 parts73
Electronic parts, each with its KiCad symbol and footprint where the library has them, its parameters and datasheet, and the open boards that use it.
1,631 parts match “Keystone Electronics”.

nichlock/open-linear-scale
Open-source capacitive linear encoder / DIY DRO scale: KiCad PCBs, STM32 firmware, and test data. Same principle as digital calipers.

ChengminLi/AI-PCB-layout
AI agent skill for designing and reviewing power-electronics PCBs, with a human review gate after every step

abd-alaj/BLDC-motor-custom-inverter
Matlab, Simulink, Hardware and C-code for a custom inverter project.

TU-Darmstadt-APQ/DIN_41612_Backplane
19″ DIN 41612 Backplane. The basis for all rack mountable electronics used by APQ.