The six stages of debugging - ESP32 Debugging Every dev knows the six stages of debugging—from 'That can't happen' to 'How did this ever work?' On embedded projects I’ve lived on Serial.println and blinking LEDs, but modern ESP32s have built‑in USB/JTAG so you can set breakpoints, step through code, and inspect variables right in the Arduino IDE. In the video, I show how to jump faster from 'Why does that happen?' to 'Oh, I see.' 13 November 2025