TL;DR — This is how I created a fully customizable, solder-free, open source hardware and software macro-pad from scratch. Links down below. — I have played World of Warcraft since I was roughly 15 years old. Imagine a teenage me, playing my then-high-end gaming PC in my parents’ house, going on adventures across Azeroth, diving deep into its dungeons to slay legendary dragons for loot. For that, I used to slam my keyboard…