Getting the 1990s era Psion MC400 laptop online via an attached Raspberry Pi and some custom shortened Psion serial-USB cables… Tweets, Emails, BBC News & screenshots! All in glorious monochrome and at 19200 baud 🙂
Retro computing. Getting 1990s era computers connected to modern stuff….
Adding MF4 (DTMF) dialling capabilities to the legendary Psion MC400 laptop from 1990