2 layers74.7 × 67.9 mm

2350B Keybd Cntrl
thedalles77/USB_Laptop_Keyboard_Controller
Details for building a USB keyboard and touchpad controller from an old laptop.
3 parts571
KiCad boards from 4 GitHub repositories tagged “trackpad”, 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.

Perseus333/daedalus-keyboard
An open-source, split, wireless ergonomic keyboard with trackpad and encoder

da-h/BackOnTrack-SplitKb
Custom Split-Keyboard with 44 keys, 2 trackpads, 2 trackpad-buttons, per-key LED, underglow LED
