TMK Keyboard Firmware

By: Nathan (@itsamenathan)

Multi-layer Keymap
Mouse Keys
System Control Keys
Media Control Keys
PS/2 Mouse Support - TrackPoint

What is it?

TMK Keyboard firmware is an opensource firmware available for the ATMEGA32U4 micro-controller.

Many Keyboard protocals
Macros
Locking CapsLock
Breathing Sleep LED
Backlight

https://github.com/tmk/tmk_keyboard

What I did

Happy Hacking Keyboard Lite - OG
PS/2 breakout cable
SparkFun ATMEGA32U4 Breakout
TMK KeyMap File

Happy Hacking

Keyboard Lite

Introduced on Jun 7, 1999
PS/2 Interface
Thanks to Compuhacker for keyboard

PS/2 Breakout Cable

              o  |  o <-- Blue (clock)
Red (vcc) --> o  |  o <-- Green (gnd)
                o o <-- Yellow (data)

SparkFun ATMEGA32U4

Board - https://www.sparkfun.com/products/11117
Github - https://github.com/sparkfun/32U4_Breakout_Board
LUFA-130303 bootloader - File:BootloaderCDC.hex.gz
- avrdude -p atmega32u4 -P /dev/ttyACM0 -c usbasp -U flash:w:BootloaderCDC.hex
Program tmk over the bootloader
- avrdude -p atmega32u4 -P /dev/ttyACM0 -c usbasp -U flash:w:ps2_usb_lufa.hex

TMK KeyMap File

Demo

TMK Firmware

By Nathan Warner

TMK Firmware

989

Nathan Warner