Case for RP2040-Zero and MX switch
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This is a case that can hold a RP2040-Zero microcontroller and a single MX-style switch
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Updated at source:
Model information
- Source
- Printables
- Category
- Computers
- License
- Creative Commons — Public Domain
I needed to have a “keyboard” to press F1 on boot on a headless PC I'm using as a server at home, so I wired this here together.
The RP2040-Zero goes in the bottom part, and is held in place by two small wedges in the middle part. The switch is just pressed into the top part. You may need to resize the switch hole depending on your printer/print settings .
I used M3 screws (10mm length I think) and just screwed them into the plastic
I'm using a single element of the “NeoKey 5x6 Ortho Snap” to connect to the switch, but you can also just solder directly to the switch pins or use one of those Kailh Hotswap Sockets.
I wanted that RGB LED, though :-)
Since that PCB has a diode between the switch pin and "Col", I had to define DIODE_DIRECTION in QMK, that's also probably not necessary if you connect to the switch-pins directly.