A 4-key macropad PCB with its switch and LED pins wired directly to microcontroller IO pins.
You can find the main blog post about this macropad here, also the Gerber files and other documentation is located here.
Keyboard Maintainer: Arda Kilicdagi, The QMK Community
Hardware Supported: 4 Pack PCB, Pro Micro
Hardware Availability: 40percent.club
Make example for this macropad (after setting up your build environment):
make 40percentclub/4pack:default:flash
See the build environment setup and the make instructions for more information. Brand new to QMK? Start with our Complete Newbs Guide.