One thing I always found interesting was that most of the computer interfaces output to the "straight key" port.
Winkeyer (as an example) makes a big deal out of saying the timing is taken away from the computer and in "their box" .
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Just thinking out loud ...
It seems to me that "the timing" is what the "keyer" is all about, and most radios today already have a keyer built in.?
Would it be any easier to use 2 pins and code the keyer outputs (left paddle/right paddle) for ASCII characters? than time the actual dits and dahs?
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I suppose in Hans' case where he is talking about making radio a keyboard "host", it wouldn't matter.?
But on an external keyboard interface ...
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Maybe the pin timing would then be dependent on the internal radio keyer speed.
I might have to play with this a bit.
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Robert Giuliano
KB8RCO