title: Ethernet shield: sending data from web to arduino using html form
body: <p>I have already completed the controlling of devices through internet using buttons. I used Arduino Uno+ SD CARD+ Ethernet shield. Now I want to modify it so that used can send text commands through form submission to control the same.</p>
  
  <p>I could do it when I was using the Arduino Uno Memory for HTML code but now facing problems when I am using SD Card for HTML. Expecting the code module for the same. </p>