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Ryan 5af1799735
Remove BLUETOOTH_ENABLE from keyboard-level rules.mk (#14379)
2 years ago
..
keymaps/default Remove empty override functions (#14312) 2 years ago
4x4.c Remove empty override functions (#14312) 2 years ago
4x4.h 2021 May 29 Breaking Changes Update (#13034) 2 years ago
config.h Remove MIDI Configuration boilerplate (#11151) 2 years ago
info.json Remove width, height and key_count from info.json (#14274) 2 years ago
readme.md relocate 40percent.club boards to new parent folder (#4380) 5 years ago
rules.mk Remove BLUETOOTH_ENABLE from keyboard-level rules.mk (#14379) 2 years ago

readme.md

4x4

4x4

Modular keypad/keyboard
The basic unit is a 4x4 matrix with 16 keys. Up to 4 of these can be connected to each other side by side.
4x4, 4x8, 4x12 and 4x16 are possible.
There are pads for header pins on each side that complete the circuits from board to board. These can be permanently connected with solder bridges or temporarily with pin headers and shunt jumpers.
All configurations are powered by a SINGLE Arduino Micro or clone (NOT a Pro Micro).

Keyboard Maintainer: QMK Community
Hardware Supported: 4x4 PCB
Hardware Availability: 4x4x4x4x4 project on 40% Keyboards

Make example for this keyboard (after setting up your build environment):

make 40percentclub/4x4:default

See the build environment setup and the make instructions for more information. Brand new to QMK? Start with our Complete Newbs Guide.

First pass at adding support for the 4x4 keyboard. Compiles but completely untested. Intended to kick-start development.