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LeBallz

LeBallz is a Le Chiffre variant by Protieusz – with a 25mm trackball and an optional EC11 encoder.

KBD.news
Published July 22, 2024
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Protieusz shared the case and Gerbers of the LeBallz, a Le Chiffre derivative with a 25mm trackball, 34 or 35 keys, and an optional EC11 encoder.

Specs

  • 34-35 keys (5x3+2 per half)
  • MX, soldered
  • 25mm trackball, PMW3360 sensor
  • RP2040 Core A controller
  • optional EC11 encoder

Pic:

Changes

  • The PCB DXF was extracted from sporkus's case step file. It uses MX and EC11 footprints and is powered by an RP2040 Core-A instead of STM32. Designed via EasyEDA.
  • PMW3360 trackball sensor footprint added.
  • Top case modded with a large circular cut-out for the 25mm trackball holder, friction fit sitting flush with the PCB with the sensor underneath it.
  • Two top case variants: One for the extra MX key and another one for the EC11 in the center.
  • Bottom case modded with MCU cut out so that the 3mm board doesn't rub the bottom case.

Pic:

Resources

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Published on Mon 22nd Jul 2024. Featured in KBD #170.

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