Full-Stack IoT Engineer Bootcamp – Free ESP32 Course (Phase 1)

Learn IoT from zero with ESP32 – real hardware, real code, no simulators. This is Phase 1 of the Full-Stack IoT Engineer Bootcamp by IoT Bhai: electronics basics → Arduino IDE setup → GPIO, PWM & ADC → millis() & interrupts → sensors (DHT22, HC-SR04, MQ-2). Start with the IoT Developer Roadmap, then follow the lessons in order. New lessons every week. Code & written guides: iotbhai.io