(FYI: unlike AVR/Arduino, STM32 mcus, on the other hand, automatically store all `const` or `constexpr` data ONLY into Flash withOUT any special type of PROGMEM utility like AVR has.) So, this program ...

Make sure the Arduino IDE is closed, as it creates issues if a file is edited outside it. You will have to change the target .gif in the img2frames.py script, and delete any previous .c or .h file, ...

[Patrick] was prepping for some future projects he had in mind, for which he will need a simple 2D array of addressable LEDs. While it is certainly possible for him to build his own LED array and c… ...