Raspberry Pi/RGB Panels: http://marc.merlins.org/perso/arduino/post_2020-01-01_Running-FastLED_-Adafruit_GFX_-and-LEDMatrix-code-on-High-Resolution-RGBPanels-with-a ...

Some Arduino boards do not have a debugging possibility. To find the errors in your sketches it might be usefull to be able to use a debugger. Using this tool you can debug your program locally, and ...