Connecting 30-year old computers to the internet in 2021… for the LOLs. Revisiting RS232, null-modems and the like, all at 19200 baud.
Tag Archives: retro
MCMF – MF4 dialling for the Psion MC400
Adding MF4 (DTMF) dialling capabilities to the legendary Psion MC400 laptop from 1990