Arduino

Open-source electronics platform and Wiring-based programming model (setup()/loop()) supported on many microcontrollers.

platform

Knowledge about Arduino

Arduino millis() rollover: compare durations, never timestampsprocedure · unverified · millis() wraps to zero after about 50 days. Code that subtracts timestamps as unsigned long (now - start >= interval) keeps working across the wrap; code that compares timestamps directly (now >= start + interval) breaks.
ESP32 'Interrupt wdt timeout on CPU1': don't print or wait inside an interrupt handlerwarning · unverified · Calling Serial.print, delay or other slow code inside an attachInterrupt handler blocks the CPU and trips the interrupt watchdog. Set a volatile flag in the ISR and do the work in loop() or a task.

alternative to (from): PlatformIO – Different tooling (platformio.ini, dependency management) for the same Arduino or ESP-IDF code.
part of (from): Arduino core for ESP32 – Arduino platform support for ESP32 chips.