A 10-key macro pad built using a Teensy 3.2, Cherry MX (or compatible) switches, and a 3D-printed case.
This macro pad makes use of Cherry MX-fit mechanical keyboard switches. Other switches like Gateron or Kailh should fit just fine.
Files for the case have been included in the case/ folder. There are both STLs for all 3 pieces, and a STEP file for further customisation.
The case was designed in Fusion 360 for printing on a Prusa i3 Mk2.5S. It requires support materials for the Teensy tray and bottom screw holes. Assembly requires 8 M3x6 screws (Hex or Phillips head are fine). I printed the case in PLA and top plate in PETG.
I haven't produced any wiring diagrams for this yet. I did follow a guide for building your own mechanical keyboard for the gist of the construction. You'll need 10 1N4148 Diodes (one per switch) to wire everything together. Configure the Arduino sketch to use the correct pins on your Teensy 3.2.
Copyright 2019 David Richardson
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