Tronixstuff has a borderline insane tutorial series going, and as of now, 27 chapters have been published. It's essentially the Arduino Bible, but the two most recent additions in particular have ...

Discover the ultimate IoT powerhouse—Arduino Nano ESP32! Unleash creativity with C/C++ in Arduino IDE, or embrace MicroPython's simplicity. Wi-Fi, Bluetooth 5 LE, 16 MB Flash, LEDs, all in a compact ...