2 layers66.9 × 74.5 mm

KiCad boards from 3 GitHub repositories tagged “kvm”, the most starred first; open any of them in PCBKit.


thedalles77/USB_Laptop_Keyboard_Controller
Details for building a USB keyboard and touchpad controller from an old laptop.

qubist/ReachBetween
Simple, cheap, hackable, DIY, open-source USB-C input switcher
