Yes, this is crazy. I have a wonderful, heavy, clunky, clacking IBM buckled-spring keyboard (PS/2) that I want to run off Bluetooth. Nobody on the entire internet seems to have done this. One option ...

I type to you now from a vintage marvel: an IBM 42H1292 keyboard, 101 keys clacking happily about like a Selectric or a Smith-Corona. A PS/2 to USB converter got the 6-lbs beauty recognised, and it's ...