Custom mechanical keyboards are a great way to show off your passion and skill for electronics and design. They’re also perfect when you need to optimize your setup for a certain game or piece of software. [Pakequis] did just that with his Bad Thing of the Edge mechanical keyboard build.
[Pakequis] occasionally plays Diablo 3 on a tiny 7-inch laptop, which as you might expect, doesn’t have a keyboard conducive to gaming. Thus, he designed a mechanical keyboard with a series of important actions mapped to keys for the left hand. Naturally, that was an opportunity to have fun with the keycaps, which all feature graphics for their relevant in-game functions. The prototype was built with surplus keys from an old PTZ camera controller, but the final version runs Cherry MX switches. There are also a set of RGB LEDs with a variety of fun effects. The whole thing is run by a Raspberry Pi Pico, which is perfectly suited for building custom USB HID devices.