I’m separating the controller for the 7 channel audio selector as it’s own build… since it has issues of it’s own to note.
It’s using (from pc to micro logical view) a usb-to-serial converter and pic microcontroller. Also on the pc side is the interface app.
The usb-to-serial converter is a module from DLP design, which uses the FTDI’s FT232BM ic. This …..