This is the repository with everything I used to build the Redox keyboard, by Mattia Dal Ben. Thank you Matt, you saved my hands.
This is what my keyboard looks like:
My current layers look like this:
I have written a build log of my keyboard, in Portuguese. This might help you in building your own. If you don’t speak Portuguese, you can always follow the original guide.
Just run:
sudo make redox/rev1:default:avrdude
and then press the reset button.