#engelbart

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A USB interface to the "Mother of All Demos" keyset

https://www.righto.com/2025/03/mother-of-all-demos-usb-keyset-interface.html
Engelbart's demo also featured an input device known as the keyset, but unlike his other innovations, the keyset failed to catch on. The 5-finger keyset lets you type without moving your hand, entering characters by pressing multiple keys simultaneously as a chord. Christina Englebart, his daughter, loaned one of Engelbart's keysets to me. I constructed an interface to connect the keyset to USB, so that it can be used with a modern computer. The video below shows me typing with the keyset, using the mouse buttons to select upper case and special characters.

Inventing the Mouse | collective iq

http://collectiveiq.wordpress.com/2013/04/12/inventing-the-mouse/
In the 1950s, Doug Engelbart set his sights on a lofty goal — to develop dramatically better ways to support intellectual workers around the globe in the daunting task of finding solutions to larger and larger problems with greater speed and effectiveness than ever before imagined. His goal was to revolutionize the way we work together on such tasks. He saw computers, at the time used only for number crunching, as a new medium for advancing the state of the art in collaborative knowledge work

Inventing the Mouse | collective iq

http://collectiveiq.wordpress.com/2013/04/12/inventing-the-mouse
In the 1950s, Doug Engelbart set his sights on a lofty goal — to develop dramatically better ways to support intellectual workers around the globe in the daunting task of finding solutions to larger and larger problems with greater speed and effectiveness than ever before imagined. His goal was to revolutionize the way we work together on such tasks. He saw computers, at the time used only for number crunching, as a new medium for advancing the state of the art in collaborative knowledge work