This project is an advanced environmental and health monitoring system built with an ESP32 microcontroller ... Prepare the Hardware: Connect the sensors and LEDs to the ESP32 according to the wiring ...

Connect the sensors as per the provided wiring diagram. Upload the code to your ESP32 board using the Arduino IDE. Open the Serial Monitor to view sensor readings and IP address. Access the web ...

The circuit diagram of the IoT-based air quality monitoring system is shown in Fig. 2. It consists of ESP32 NodeMCU, SDS011, BME280, ILI9163 TFT display, a resistor and transistor 2N2219. ESP32 ...