series3a – Room 7609

Powering old consumer electronics from USB

Using USB to power old mobile/handheld computers

Psion Series 3a vs. Technics RS-B665

Controlling my 1990s Technics tape deck from a 1990s PDA – Psion Series 3a remote control via NodeMCU

Retrocomputing – getting re-acquainted with the Psion Series 3a and MC400

Retro computing. Getting 1990s era computers connected to modern stuff….