And if you were to go back a few more years into the past, you’d have found when you bought a mouse with a PS/2 connector fitted, it may well have come with an adapter for a 9-pin RS232 serial port.

Anyone will tell you that as hard as it is to create a working system, the real trick is making two systems talk to each ...

An RS232 port is available for $14, a single-port KVM for $48, and a 4G LTE expansion module for $110. There's also a microSD card reader with UHS-I support. Earlier in 2024, GPD introduced the ...