His Morse Code USB Keyboard Mk II adds to that list. It’s a Saturday afternoon project, with a few parts slapped onto a piece of perf-board, that allows using a Morse key as a USB keyboard.
Time was when only the cool kids had new-fangled 102-key keyboards with a number pad ... we featured this vintage telegraph sounder revived with a Morse code sender not too long ago.
Some results have been hidden because they may be inaccessible to you