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2 layers116 × 112 mmNodiodes, the printed circuit board in 3D

It's a keyboard family which based on my circumstances, preferences, and observed usages.

Size
116 × 112 mm
Copper layers
2
Thickness
1.6 mm
Parts
19
Nets
20
Pads
160
Tracks, vias
216, 0
Pours
2
Routed
Yes
KiCad
KiCad 5 (file 20171130)
Created
12 Jun 2020
Updated
4 Dec 2020

Overview

Nodiodes is an open-source printed circuit board by ibnuda, from the ibnuda/Squiggle repository on GitHub, published under the GPL-3.0 licence. It is a 2-layer board of 116 × 112 mm with 19 parts on 20 nets, routed with 216 tracks and 0 vias.

It belongs with the AVR (ATmega, ATtiny) boards of this library.

README

README.md

Squiggle Keyboard

It's a keyboard family which based on my circumstances, preferences, and observed usages.

Requirements:

  • 5 columns per hand. My right pinky is almost useless.
  • At most 3 keys for each side's thumb row. My right thumb key is almost useless.
  • No numrow. It's harder and more cumbersome to use than a numpad on a layer.
  • Split. Typing on single flat keyboard hurts my arms in a lot of use cases.
  • Symmetric. Personal preferences.

This family keyboard repo will not have any of the following features:

  • OLED Screen: useless.
  • LEDs: useless for me and hurt my eyes.
  • Rotary Encoder: useless for me.
  • Hotswap: I need a commitment.
  • Case for Low Profile: defeating the whole purpose of LOW profile.

Screenshot

Standard

  • MX and Alps style switches.
  • 34 Keys.
  • 4x2u thumb keys.
  • 2 Promicros.
  • TRRS/TRS cable.

standard version

Low Profile

  • Dongguan Kaihua Electronics Co., Ltd (originally named Longhua Electronics)'s Choc style switches.
  • 34 Keys.
  • 4x2u thumb keys.
  • 2 Promicros.
  • TRRS/TRS cable.

low profile

36 Keys

  • MX and Alps style switches.
  • 36 Keys.
  • 4x2u+2x1.25u thumb keys.
  • 2 Promicros.
  • TRRS/TRS cable.

36 keys

Minimalist

  • MX and Alps style switches.
  • 34 Keys.
  • 4x2u thumb keys.
  • 1 Promicros.
  • "Amphenol 10 wire" cable.

minimalist

Goldberg

(Because it's more complex than necessary. It's just a damn keyboard.)

  • MX and Alps style switches.
  • 34 - 38 Keys.
  • 4x2u or 8x1u thumb keys. (or anything in between)
  • 2 Promicros.
  • TRRS/TRS cable.

goldberg

Confirmed Working PCBs

Standard

standard

Example firmware: QMK's master branch

Goldberg

goldberg

Example firmware: QMK's master branch

Low Profile

choc

Example firmware: QMK's master branch

Minimalist

minimalist

Example firmware: Ibnuda's fork

Disclaimer

I haven't printed some of it. But, theoretically, they should just work. Oh, if things go wrong, I won't take any responisibilities.

Additional Note

Any files with mokou_*.kicad_mod in libs/footprints are made by Jokan Hiyou and belong to hers. I just dither them and made them kicad footprints.

License

GPLv3.

Parts

19
QtyValueFootprintReferences
15switchnodiodes:1u-dualswitch1, switch2, switch3, switch4, switch5, switch6, switch7, switch8, switch9, switch10, switch11, switch12, switch13, switch14, switch15
2switchnodiodes:2u-dualswitch16, switch17
1promicronodiodes:promicroU2
1trrsnodiodes:trrsU1

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Questions

How big is the Nodiodes PCB?

It measures 116 × 112 mm and has 2 copper layers, 1.6 mm thick.

What parts does the Nodiodes use?

19 parts. The full list of its parts is on this page, with links to each part's symbol and footprint where PCBKit's library has them.

Where can I download the Nodiodes KiCad files?

From the ibnuda/Squiggle repository on GitHub, at the commit this page was made from: the board is nodiodes/nodiodes.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.

Can I use the Nodiodes design in my own project?

Its repository publishes it under the GPL-3.0 licence: you may reuse it on that licence's terms (keep the author's notice, and for a copyleft licence share your changes alike).