geekhack Projects > Making Stuff Together!
IBM Model F 5291 Terminal (bigfoot) Keyboard
AngryC:
I discovered something:
When I press M it outputs "nm". But when I hold the M key, it only outputs "m".
So the "n" comes in on the upstroke it seems. Same with other keys.
AngryC:
Ok, I found the issue:
The guide above is wrong: Wire 2 and Wire 3 need to be each one pin above!
Here is how you connect the keyboard to the Teensy:
https://deskthority.net/viewtopic.php?p=519579#p519579
jhoney12:
It's impressive to see the progress on adapting the IBM Model F 5291 terminal keyboard! The detailed protocol and pinout information provided is invaluable for anyone looking to work with these vintage keyboards. Given the complexity of the conversion and the detailed efforts being made, it might be worth exploring custom firmware options or seeking out community support for further refinements. Keep up the great work, and thanks for sharing these insights!
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