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Replacement controller for IBM Model M Space Saving Keyboard
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A replacement controller for the IBM Model M Space Saving keyboard

In light of recent claims that I am 100% liable for any of my open source PCBs, I am adding this disclaimer.

I provide these PCBs as a reference for designing keyboard PCBs. Using them within your projects will require a will to do research of one's own and to learn the workings of them, potentially fixing issues if they exist.

I provide these PCBs without liability and without any guarantees regarding functionality, as expressed in the MIT license under which all of these PCBs are licensed.



  • ATmega32u4-based
  • USB-B


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