DIY Custom Macro Keyboard

This is a 3x4 version of my 3x3 keyboard

This thing is based on https://www.partsnotincluded.com/diy-stream-deck-mini-macro-keyboard/ this tutorial, I highly recommend using this as a guide.

This Keyboard is designed for an Arduino Compatible Pro Micro from Spark Fun
https://www.amazon.com/gp/product/B084KPT7MH/ref=ppx_yo_dt_b_asin_title_o09_s00?ie=UTF8&psc=1