Talk on getting around ESP32 memory issues

This should be helpful to anyone doing RGBPanels on ESP32 in resolutions bigger than 64x64:
http://marc.merlins.org/perso/arduino/post_2020-01-14_LCA-2020-Talk_-ESP32-Memory-Management_-Neopixels-and-RGBPanels.html
(especially if you run gif decoding, which uses more memories on top of that)

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