Introduction
This experiment demonstrates how to use the ESP8266 Wi-Fi module to control an LED over the Wi-Fi network via a web interface.
Materials Required
- ESP8266 Wi-Fi Module
- LED
- Resistor (220Ω)
- Breadboard and jumper wires
- Arduino IDE
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Circuit Diagram
The following diagram shows how to connect the LED to the ESP8266:
Steps for the Experiment
- Connect the LED to the GPIO pin of the ESP8266.
- Write a program to create a simple web server that controls the LED.
- Upload the program to the ESP8266 and connect it to your Wi-Fi network.
- Open the web interface on a browser and control the LED state remotely.
Explanation
The ESP8266 communicates over Wi-Fi to control the LED via a simple web page hosted on the microcontroller.
Results and Observations
- The LED should be controlled through the web interface by toggling the state on and off.
