Hi Bruce,
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I follow your work with great admiration and interest. You do very good projects and you document them very well. I haven't been able to try your projects until now because I'm too busy with other subjects, but this keyboard keyer project can trigger me.
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Have you ever thought about adding a "morse ( audio) decoder" to this project? With an audio input and screen printing of decoded morse signals, this project could become even more perfect.
73,
Murat
ta1db