Khan Pad The Khan is Board of typing is a 4 key macropad/keyboard with 2 EC11 style rotary encoders..
Features: 3D printable with screws and heatset inserts EC11 Rotary encoders for rotational action AND they serve as switches/keys 4 fully programmable keys in a matrix CAD Model: 4 heatset inserts and 4 M3 screws are used to keep everything togetherether
The model consists of a bottom case, a plate, and a bracket for the top, so the key switches themselves are less exposed.
CAD
PCB / Schematic The PCB as well as the schematic is pictured below::
Schematic
PCB
BOM: Here is everything needed to make the BoardPadd
4x Cherry MX Switches 4x DSA Keycaps 4x M3x5x4 Heatset inserts 4X M3x12mm SHCS Bolts 11x 1N4148 DO-35 Diodes. 2x EC11 Rotary Encoder 1x XIAO RP2040 1x Case (3 3D printed parts) 2x Rotary Encoder Dials 1x PCBs 1x PCB