How to Use an Arduino as a Web Server

Overview :

Using an Ethernet shield, you can use an Arduino as a Web server.

Required :

• Arduino Mega2560 (or Arduino UNO)
• Ethernet shield(w5100)
• 1 x Ethernet cable
• 1 x Wi-Fi Router
• 1 x Breadboard
• 3 x Jumper Wires
• 1 x 10k Resistor
• 2 x 9V Adaptor
• 1 x pushbutton

Configuration : 

By equipping an Arduino with an Ethernet shield you can turn it into a simple web server, and by accessing that server with a browser running on any computer connected to the same network as the Arduino.

• Control hardware from the webpage (using Javascript buttons).
• Read the state of a switch (using simple HTML).
• Read value of a sensor (using simple HTML).