Hi Hoping someone might be able to help. I am wanting to interface my Uno with a Windows morse code program called CWCOM. The CWCOM software allows the physical connection of a morse key through an RS232 port and "abuses" the signalling protocol. Specifically the program reads the "Data set ready",…

RS232 comms to Windows host

gcjr September 20, 2021, 9:19am 2

the arduino interfaces to the PC thru a USB interface and has no control over CTS or DSR.

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