It seems you can get most of the parts for around $9.95 online. Of course it'll require some hacking of your XBox controller, so if you're a nervous modder then you might want to pick up a spare!

Want a custom pro controller that keeps the original DualShock 4 form factor and feel? Our Mega Modz Macro Remap PS4 Controller review looks at a controller that is the best of all worlds.

If you want to get started building keyboards, you can’t go wrong with a macro keyboard like this one. If you have way more than four macros in mind, build something bigger, like a custom game ...