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He’s created a PS/2 to RS232 mouse converter, and it takes the form of a little PCB with an AT90S2313P microcontroller to do the translation and an RS232 level converter chip.
[Craig] cracked open a multimeter to unlock RS232 serial communications that can be used for data logging. There’s a couple of things that make this possible. First of all, the multimeter&#82… ...
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.
Stop buying Serial RS232 Comms devices, and look towards more cost effective, modern, and more supportable options. Your budgets, staff, and project schedules will thank you. Will Aja is the vice ...
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.