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Borne V1

Synthetic00 has introduced Borne, this cute wireless split which is low profile and open-source.
Published November 8, 2022

Gabriel Hansson aka gibbz00/Synthetic00 published the source files of the Borne V1; a wireless, split, 36-key orthogonal keyboard with a fairly large battery capacity and also with relatively low profile at a max height of about 17 mm.

Today I'm excited to announce that I've completed my long overdue dream of creating an entry-level ergonomic keyboard – Synthetic00.


  • Wireless split 36-key orthogonal layout with a comparatively large battery capacity estimated to last over two months.
  • Low profile and tiny footprint at a max height of about 17 mm (0.67 in).
  • Powerful firmware wizardry achieved with ZMK and Adafruit's nrf52 bootloader.
  • External power and reset switches included together with two forward-facing LEDs. The lights can indicate charging, Bluetooth, or bootloader-mode status.
  • Keyboard comes with a micro-USB port, as it's about 30% thinner than the USB type C port. A necessary trade-off for keeping the case thinner than most modern smartphones.
  • Toggling between USB or Bluetooth modes can be done by a single key press combination. The same goes for a multitude of Bluetooth controls.
  • A dedicated IC allows the keyboards to charge while in use.
  • ESD protection IC on USB data and power lines.
  • Keyboard only compatible with Kailh Choc v1 (PG1350) switches for now.


Published on Tue 8th Nov 2022. Featured in KBD #102 (source).

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