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Hey there! Welcome to the inaugural edition of our new project kit series. The idea behind this document is for it to help you get more comfortable using the tools in the Elko Engineering garage. We'll provide the project idea and a kit of parts - all you have to do is bring your willingness to learn. This project is a programmable macro-pad, with fancy mechanical key-switches and a cool 3D-printed case. You can rebind each of the keys to whatever you want; use them for macros or shortcuts in your favorite software. This guide will walk you through 3D-printing, soldering, and laser-cutting all of the parts not included in the parts kit. A final thing to remember: this project is yours; feel free to make modifications or do thing differently to make it your own. The garage staff are happy to give you pointers if you get stuck - Just remember that you learn more when you make an effort to figure things out yourself.
Have Fun!
Required Equipment Trainings
You'll need to complete the training sessions for the following equipment before starting work on this project:
- Desktop FDM 3D Printer
- CO2 Laser Cutter
- Soldering Iron
Each of these training sessions are one hour in length. Note that a hybrid (online and in-person) option is currently offered for the 3D printer and CO2 laser cutter trainings.
Bill of Materials
make Make sure your project kit has all of the following:
| Item Name | Quantity |
|---|---|
| Macro-pad printed circuit board | 1 |
| Piece of acrylic sheet | 1 |
| Key switches | 8 |
| Key Caps | 8 |
| Diodes | 12 |
| Seeed Xiao RP2040 micro-controller | 1 |
| 7 row 0.1" pitch solderable solder-able pin socket connector | 2 |
| M3x8mm socket head cap screw | 4 |
| Brass threaded inserts | 4 |
Step 1: 3D-print the case
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