This library allows an Arduino board to use an uart with the control of interrupt routine and buffer size in user’s hand. To use this libaray comment the section as ...

I touched T0 and T3 pins but esp32 has never went into interrupt functions. I tried that code multiple computer but result was same. I use Arduino IDE 1.8.15 version with Nodemcu V1 ESP32 Devkit. Note ...

but instead I found such an thorough and well thought-through answer on StackExchange that I thought I had to point it out. So, t0 the question: What is AVR Arduino interrupt latency? And how can it ...