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Re:Serial Port SDR by heywire on Thursday December 06, 2018 @09:28AM (#18618273)
I wonder how fast you could toggle the capslock LED... hmm
Re:Serial Port SDR by oh5nxo on Saturday December 08, 2018 @08:16AM (#18635055)
Via Xlib, with USB keyboard, 10 Hz starts to become uncomfortable, 10% in system time.

Had to test ! :)