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.
CGainsWorks/emb-multirail-smps
Compact multi-output switch-mode power supply in Altium: synchronous buck, boost and LDO stages on a 4-layer board, with loop compensation, thermal analysis and EMC pre-compliance.
CGainsWorks/emb-drone-flight-stack
Open-source quadrotor flight stack: custom KiCad flight-controller and power distribution boards plus C++ firmware with a PID attitude loop, written from scratch.