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The Internet of Things (IoT) is no longer a futuristic concept; it is the backbone of modern automation. At the heart of this revolution lies the ESP32 —a low-cost, low-power system on a chip (SoC) with integrated Wi-Fi and dual-mode Bluetooth. For hobbyists, students, and professional embedded developers, the fastest way to master this chip is by using the familiar environment of the Arduino IDE.
Serial.println("WiFi connected");
void loop() isnan(t)) Serial.println("Sensor read error"); return; hands-on esp32 with arduino ide pdf free download