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This project roadmap may be helpful. https://github.com/espressif/arduino-esp32/projects/1

The repo source code is for ESP8266 with no support for ESP32 so far. I offered to submit a PR to the repo but have not heard anything back.

I suggest opening an issue on esp8266/arduino as well because it is definitely present there. If it is fixed there I will merge in the fix here.

Issue already reported. https://github.com/esp8266/Arduino/issues/3284

I wrote up my experiment in driving ws281x LEDs using OLA and rpi-ws281x library. OLA does not run as root because a separate program runs an OPC server and drives...

4M refers to the size of Flash for program code and files. It usually split 1M for program storage and 3M for file storage. respBuf and jsonBuffer are in RAM....