The Scotto55 is a 55-key split monoblock ergonomic keyboard with a large center rotary encoder. I built it using Akko Cilantro tactile switches which I think feel pretty nice although they are a bit clacky for my liking. The keycaps are my ScottoCaps (Scooped) which I also used fuzzy skin to hide the layer lines more. Many people think that the fuzzy skin would make them feel textured but I find it actually feels smoother and gives them a much cleaner look. Everything on this board is powered using a single RP2040 Pro Micro running QMK firmware.
Getting One
If you’re interested in getting one assembled, contact me and we can discuss the components and other details for a commissioned build. However, the files are available for free here if you want to build one yourself.
In addition to the 3D printed case, heat shink tubing, wire, and copper, you'll also need tools along with the following components:
- 1 RP2040 Pro Micro
- 55 1N4148 diodes
- 18 M2 Heat Set Inserts
- 18 M2x6mm screws
- 55 MX switches
- 55 1u keycaps
Wiring
When looking at the back of the board, the columns (blue) go to the following pins on the controller from right to left: GP29, GP28, GP27, GP26, GP15, GP10, GP7, GP6, GP5, GP4
Then the rows (red) go from top to bottom: GP14, GP13, GP12, GP11
The encoder is wired in to the matrix for the switch function on GP7, the other pins for the rotation functions are on GP9, GND, and GP8.
Keep in mind, you can connect anywhere on the column or row to the controller, it doesn't need to just be at the end.
Firmware
You can find the firmware files on the qmk_firmware repository or you can compile them online using the QMK Configurator. However, QMK is often slow at getting changes merged and because of that you can find the most up-to-date firmware on the ScottoKeebs Github repository. Also available are the pre-compiled firmware files that are ready to flash:
default.uf2 - Default QMK keymap in QWERTY.
scotto.uf2 - My personal QMK keymap in Colemak.
vial.uf2 - Basic Colemak keymap with Vial support.
After flashing vial.uf2, you should load the vial.vil configuration file within the Vial application to ensure everything functions as expected.
Video
Photos
