Looking for motivation to practice morse code [BenB] built this morse code keyboard. It uses USB and is recognized as a standard keyboard thanks to the V-USB stack running on the ATmega168. The pro… ...

It is reasonably easy to make a microcontroller spit out some Morse code. What makes [pavlin’s] take on this project interesting is that it resides on a tiny USB board with an ARM processor. … ...

Click Sketch > Verify / Compile to make sure the code is properly in there. Save the file and then attach the Arduino to your computer with the USB cable. Click File > Upload.

It support the following USB to Serial chips: CH34X CP210x FTDI FT23x The library is based on the IDF USB Host VCP component and it is a wrapper to use it on Arduino IDE. Tested on ESP32S3, but should ...