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13 lines
860 B
Markdown
13 lines
860 B
Markdown
## Unified ASCII Keyboard
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This project aims to provide a (near) universal ASCII keyboard for vintage computers. Home computers of the 1970's typically either polled a switch matrix, or interfaced to a parallel ASCII keyboard via a parallel port.
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The keyboard allows use of Cherry MX keys, or Futaba MD-4PCS (aka George Risk KBM-01-01) keys.
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The keyboard is designed using KiCad in order to be the most useful for anybody wishing to modify the keyboard for more specific uses, or to add to the project.
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This keyboard project so far consists of:
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- A classic retro-style ASCII keyboard, modeled after the ADM-3A keyboard, which can be also be populated to fit perfectly in an Apple II/II+ case, or an OSI case.
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- A keyscan/decoder interface module that can output parallel ASCII, and can be adapted for other protocols.
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- An OSI-compatible interface module.
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