This Arduino program allows you to create an iambic Morse code paddle. It generates Morse code signals using two paddles, a speaker, and an LED on the Arduino board. Additionally, you can adjust the ...

If you are a ham radio operator of a certain age, you probably remember ads for “The Instructograph,” a mechanical device for learning Morse code ... to store the code practice sessions.

We talk about Morse code, named after its inventor, Samuel Morse. However, maybe we should call it Vail code after Alfred Vail, who may be its real inventor. Haven’t heard of him? You aren’t ...