Although learning Morse code is no longer required to achieve your foundation amateur radio license (in Australia) the practice of commiunicating with it is still quite popular and there's still a lot of CQ activity out there to enjoy. With this in mind, Chris Weatherford has demonstrated how to create Morse code with an Arduino - and generate the output with LEDs and a buzzer.
The process uses a neat Arduino sketch, a string of text is taken to individual characters- each of which are then converted to the memorable tones and then played. A customised version could be used for those repeated initial calls, or perhaps as part of a larger training application.
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