This is an instruction to build the Gboard Yunomi version with Pro Micro. For the general information about the Gboard Yunomi version, please refer to the project README.
- Kailh choc key x60
- Diode (1N4148) x60
- Pro Micro x1
We need two types of PCBs to build this project.
File location: board/key
Shape: Rectangular
Components to be soldered: Diodes and key switches
Number of PCBs required: 12
File location: board/base-promicro
Shape: Dodecagonal
Components to be soldered: Pro Micro
Number of PCBs required: 1
Solder diodes D1 to D5 onto the twelve Key-PCBs at the silk-screened locations.
IMPORTANT: Diodes on six of the Key-PCBs should be placed in the opposite direction.
In other words, you can solder diodes as indicated by the silk-screen for six of them, and you need to solder diodes in the opposite direction for the rest six.
Solder key-switches to each Key-PCB. Note that the diodes need to be placed on the opposite side of the Key-PCB to the key-switches, as shown by the silk-screen.
Create a cylindrical shape by combining the 12 Key-PCBs.
There are six connection points between each pair of Key-PCBs. Connect adjacent pairs of boards by soldering the tin-plated wires (see the picture).
However, only connect J11 and J12 between the first and last Key-PCB, instead of all six locations.
If you have a 3D printer, you may print and use jig.stl to help with this step.
Solder a Pro Micro to the Base-PCB.
Connect Base-PCB to the cylinder made in Step 3.
Install firmware using the Arduino IDE. Note that you need to uncomment the line 2 (#define PRO_MICRO) to make it work with the Pro Micro version.
Print and mount the platform (./platform_promicro.stl).
Connect the keyboard to a PC or other device that has Google Japanese Input/Gboard installed. Enjoy!