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void setup() Serial.begin(115200); dht.begin(); WiFi.begin(ssid, password); while (WiFi.status() != WL_CONNECTED) delay(500); Serial.print(".");
Serial.println("WiFi connected");
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.