Play only the "good notes" with this MIDI Hexpad. You can build a hextacular isomorphic controller using an Adafruit QT Py RP2040, low-profile Kailh CHOC keyswitches, a custom PCB, and hexagonal keyswitches, in a 3D printed case, all running on CircuitPython. 🐝


Video of hand holding a QT Py PCB in their hand. An LED glows rainbow colors.
What a cutie pie! Or is it... a QT Py? This diminutive dev board comes with one of our new favorite chip, the RP2040. It's been made famous in the new
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Angled shot of ten white Kailh Choc V1 keycaps.
For crafting your very own custom keyboard, these Kailh Choc Low Profile Clicky White mechanical key switches are super slim, with ultra-low profile...
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Angled shot of
These reverse mount NeoPixel LEDs are an easy way to add a lot of small (but bright!) colorful LEDs to your project when you want the top of the PCB to be flat,...
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Hexagonal Choc Keycaps

These beautiful low-profile keycaps were designed by Sol Bekic, a.k.a. s-ol) and produced by FKCaps, more info available here. I ordered mine from Little Keyboards.

Here's an excellent build log on the design and creation of the keycaps.

Sol's 0x33 MIDI board was the inspiration for this build.

You can also choose to 3D print similar hex keycaps, which work particularly well with resin printing methods. More info on that, and 3D model files are available later in this guide.


6ea. of M3 x 5mm screws

This guide was first published on Mar 29, 2023. It was last updated on Jun 14, 2024.

This page (Overview) was last updated on Mar 08, 2024.

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