The Scotto40 is a 40-key ortholinear keyboard. Originally the Scotto40 featured multiple layouts and shown in the images is the 37-key variant. The spacebar was 1.75u because I couldn’t figure out how to do stabilizers for my first build. I chose to recycle Kailh Box Navy switches from an Ortho48 build I had laying around. Keycaps are just generic DSA blanks from Amazon.

 

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 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 Arduino Pro Micro
• 40 1N4148 diodes
• 5 M2x8mm standoffs
• 10 M2x6mm screws
• 40 MX switches
• 40 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: 2, 3, 4, 5, 6, 7, 8, 9, A3, A2

Then the rows (red) go from top to bottom: 15, 14, 16, 10

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 you can simply download (right click, save as) and flash using QMK Toolbox: 

default.hex - Default QMK keymap in QWERTY.
vial.hex - Default QMK keymap in QWERTY with Vial configurator support.
scotto.hex - My personal QMK keymap in Colemak.

After flashing vial.hex, you should load the vial.vil configuration file within the Vial application to ensure everything functions as expected.

 

Photos