He’s using the Blue Pill board and the resulting device sends code with paddles, sends canned text ... If you are interested in Morse code or in learning how to write a pretty substantial ...

The Titanic famously (or infamously) used Morse code to call out in distress at the end of its final voyage. Ships at sea and the land-based stations that supported them used Morse code for ...

Successful Keyer Command operation is as follows : momentarily press the Command button - The keyer responds with "K" in audible Morse Code enter the command in Morse via the paddles - Keyer responds ...

LiPo charging circuit on board So in fact we only need some periphery to turn this jewel into a multi-functional Morse code device... As ESP32 MCU already has touch input (we use Pins 2 and 12), we ...