Found an alternative solution - using calculated delays, I can make sure the display update starts at a precise time despite any interrupts changing the timing of the last pass, completely eliminating display flicker. // Several techniques are needed to make the display update stable. // 1. watchdog...

You can also use a stand alone programmer to install the bootloader and your own code before you solder it to your board.
https://www.ebay.com.au/itm/New-ESP32-P ... 3204856757

Check out the circuit used on the Node32 board as an example. I use this on my boards and it works.
https://forum.arduino.cc/index.php?topic=566250.0

Is there a way to pin all RTOS tasks to core 0, leaving core 1 completely free for application code? The reason for this question is that there seems to be a change introduced in the way tasks are scheduled between the cores in ESP-IDF v4.1. I have just done a minor code update (changed WiFi credent...