i also tried to use i2s , no success,

now i actually solved the problem using RMT. But http server get very often instable. It must be possible to totally separate the interrupts of cpu's.

Hello, I need to control stepper motors (10khz) using web interface. If you know a good solution (multi core preferred) than just ignore this message and refer to the example. Else these were my "experiments: i try now almost since more than one week to figure out, how i can generate a certain numbe...