But why stop there? That’s what [Jeroen Brinkman] must have been thinking while creating the Programmer’s Macro Pad. Based on the Arduino Pro Micro, this hand-wired pad is unique in that a ...

Everything is driven by an Arduino Pro Mini. The lights are APA106 LEDs; a 4-pin through-hole package version of the WS2812 pixels. You could easily substitute these for the surface mount ...