PRESENTER OPINION : CW-ELMER: Fun Tool for Analyzing Your Fist
/As I’ve written in the past, my friend Paul, KW1L, is a real CW technician. So, when I saw the article, “CW-ELMER Advanced Morse Code Learning System” in the January 2021 QST, I knew he’d be interested in it. And, since all it takes to build it is an Arduino, a speaker and a 16×2 LCD display, I already had all the parts.
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