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MODE keyboard

An hand-wired RGB mechanical keyboard.

Imgur album

Hardware

  • The case design can be found in the folder case. It is composed of layers of 3mm acrylic sheets. This is typically how homemade keyboard cases are made and I tried to follow the recipe as closely as possible, using tools from the community.
  • The LibreOffice Draw file case.odg is a conceptual view of the case and is easier to read.
  • The electronic circuitry can be found in mk.fzz, which is a Fritzing file.

Parts

  • Switches & LEDs: Purple Zealio + mountable RGB LEDs from ZealPC
  • Case: custom made with 3mm acrylic sheets, M2 screws and M2 spacers
  • Micro-controller: Teensy 3.2
  • LED drivers: TLC5940
  • Connectors LED drivers <-> LEDs: 30AWG wires and machine screws pin headers
  • Connectors Teensy 3.2 <-> LED drivers <-> LED drivers: 24AWG wires
  • Others: cheapest double-sided perfboards (the green boards) from eBay, 100pF capacitors (as stated in the TLC5940 datasheets) and a 2SD734 transistor.

The firmware

  • The code is developped for the Teensy 3.2 using the Teensyduino software addon for Arduino. It can be found in the folder code.
  • In the folder code, type ./make.sh to compile and send the firmware to the Teensy.

What's next?

In an ideal V2, I want:

  • [hardware] PCB with surface-mounted components.
  • [hardware] Wireless over Bluetooth.
  • [hardware] Additional USB port to plug my mouse.
  • [hardware] Add underglow, maybe a backlit logo.
  • [hardware] Another kind of switches, maybe Matias Quiet Click switches.
  • [firmware] Programmable layout over wireless.
  • [firmware] Animation system for lightning effects.
  • [firmware] I want my window manager in Linux (i3) to send context information to the keyboard so I can load contextual layouts.

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An experimental keyboard

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