After my previous build of a chorded keyboard using Cherry MX Switches, it was clear that I needed to work with smaller components if I was going to have any more keys. Not wanting to solder to the pins of smaller switches and deal with designing complex mounting to make them secure, I decided to design a pcb segment for 4 switches. 

I am planning on using an Arduino Connect as the main micro to run the chorded keyboard, and it has enough GPIO for me to be satisfied wiring the switches independently, with a shared ground plane. 

You can find the first revision of the segments on Oshpark already! 

Enjoy,

Atltvhead