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Unsplitted ergo Keyberon Build status

A handwired unsplitted ergo keyboard. It uses keyberon for its firmware.

The case is totally parametric: you can customize a lot of things, including:

  • number of rows
  • number of columns
  • number of thumb keys
  • angle between the two halves
  • column stagger

Keyberon 56

Keyberon 44

Bill of Materials

Everything can be found for less than $60 new on Aliexpress without the case.

Building

You can follow the building guide of keyberon grid or any other handwiring guide. I recommand to read a few to have different visions.

For the wiring of the dev board, refer to the source code for the pins.

Compiling

Install the rust toolchain

curl https://sh.rustup.rs -sSf | sh
rustup target add thumbv7em-none-eabihf
rustup component add llvm-tools-preview
cargo install cargo-binutils

Compile the firmware

cargo objcopy --bin keyberon-f4 --release -- -O binary keyberon.bin

Flashing using DFU

Put the developement board in DFU mode by pushing reset while pushing boot, and then release boot. Then flash it:

dfu-util -d 0483:df11 -a 0 --dfuse-address 0x08000000 -D keyberon.bin

The LED on the board should react to caps lock (if you push caps lock on another keyboard, the light should toggle), and the user button send space.

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A handwired unsplitted ergo keyboard

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