Riding in Sidecar: How to get a Psion online in 2023

Using a gigahertz-class computer to get an 36MHz computer onto the internet - or even just printing

Code whizz and tinkerer Kian Ryan's ingenious "Sidecar" is a self-contained, battery-powered Wi-Fi-to-RS232 bridge that enables his elderly Psion 5MX PDA to access a little bit of the modern internet....