Orbit Keyboard - Split ergonomic keyboard with 5 rows and 7 columns
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Images Add description of power handling Nov 18, 2018
Orbit-Choc-PCB
Orbit-PCB Add choc variant Jan 30, 2019
.gitignore Rename crkbd to corne classic and some fix Aug 24, 2018
.gitmodules Add choc variant Jan 30, 2019
LICENSE
README.md

README.md

Orbit keyboard

A split ergonomic keyboard for all

Render Image

Features

  • Ergonomic layout based on the crkbd
  • All on-board components; no separate controller board
  • USB Type-C and in-switch backlight
  • Alps SKCL/M and MX compatibility
  • Built-in overcurrent, reverse voltage, and ESD protection.
  • Pre-panelized in a single PCB file for easy production
  • Keyboard-Layout-Editor data is available here.

Designed for all

  • This keyboard remains close to typical QWERTY layout in key positioning.
  • Most keys remain in their typical locations, which allows easy migration from standard layout keyboards.
  • Whether new to ergonomic layouts or already an avid adopter, Orbit will suit your needs.

Electrical side

  • The incoming power is handled as shown: Diagram
  • VCC/Raw is the raw power fed through the USB connector. The ESD protection IC is bound to here.
  • VBUS is "stable raw power" after being passed through a polyfuse. Used for upstream detection, for a downstream Schottky diode prevents flow from 5V into VBUS. In other words, VBUS is only at 5V when fed from upstream USB.
  • 5V is the "stable power" after passing through a Schottky diode. Used for powering MCU, LEDs, and other split half. Power from the other half feeds here, for it has already been filtered on the other side.
  • Measures are taken to isolate the LED, MCU, and split connection 5V as upstream as possible to prevent interference.

Aesthetics

  • Ground plane is limited to critical parts for aesthetic reasons.
  • Top side of PCB is mostly covered with soldermask.