Using esp-idf I can get the keyboard leds to work. Well alright, I will switch to that.

Looking into it a bit more I see that the USBVendor example also does not work correctly. I can see the device in my webbrowser, connect to it, but I cannot send/receive data from the webbrowser. In the serial port also no info. Only when I press the button I see Button Pressed or Button Released. S...

I am using the "CompositeDevice" example in the arduino IDE. It has code to write events for the caps-lock, num-lock and scroll-lock to the console output. It also has code to press the caps-lock button when pressing the on-board button. The events for the leds are never written to the console. Not ...