I bought a used Zeta Wireless Keyboard on r/mechmarket. It had a broken on/off switch and Kailh Burgandy (linear) switches. I ordered the switch off of amazon and was able to de-solder the broken one and solder on the new one. It is a very small switch so I was glad that it worked. I de-soldered the Kailh switches. It takes patience to do this. The trick is to add new solder when you are not able to suck it all out until you get it all.
I soldered on my lubed Gateron Yellows (Kytox 205g0 and 105 for the springs):
Looks nice with the MDA Big Bang 2.0 Keycaps:
Flashing QMK
This is done through a fork in the QMK Firmware call qmk_firmware_spe maintained by maker of the Zeta Keyboard. It looks like he tried to merge with the mainline qmk but they wanted changes and he said he would do it when he had time. Anyways, the Zeta keyboard is not in the main qmk branch.
- Clone the branch:
git clone git@github.com:SouthPawEngineer/qmk_firmware_spe.git
- Now you can edit the keymap located at:
keyboards/zeta/keymaps/default
NOTE: you can also copy the keymap directory to make your own but for this we will just edit in place.
- Once you modify the keymap to your liking you can flash it:
make zeta/rev1:default:avrdude
This will build the code and then attempt to flash. Once the flash is ready, you can press the reset button to start the flash.