You’re ready to start controlling an Arduino from a web page! Add the following code and upload it to the Arduino. Attach the board to Ethernet and plug it into your PC via USB. So for this project we’re just going to plug a blue LED attached to a 10K ohm resistor attached to pin 2.Īnd that’s literally all there is to wiring. The second and more serious reason is that pin 13 is used by the W5100 Ethernet shield. First, the LED is covered and very hard to see thanks to the Ethernet Shield. Unfortunately there are to major issues with that approach with this project.
Normally for a project like this I would just use the onboard LED assigned to pin 13. Wiring Diagram for Ethernet Controlled LED If you don’t already have the components for this list, here’s our simple parts list: The shield used in this project is the Wiznet W5100 variant made by Sunfounder (a clone of the official Arduino W5100). This could cause your shield to short out. Don’t press it down too far however, or the bottom of the Ethernet shield may make contact with the top of the USB port. It simple aligns with the pins and presses down. The first thing you need to do, before we even think about controlling an Arduino from a web page is to connect the Ethernet shield to the Arduino. In this project tutorial we’re going to setup an Arduino with an Ethernet shield that will allow us to control a blue LED from a web browser (of course you can use another color if you desire!). So in this tutorial that’s exactly what we will cover! How to Control an Arduino from a Web Page First things first I needed to create a simple sketch to draw a web page and accept input. So recently I decided to grab a shield from Amazon and see what I could do.
When I got my first Arduino the first thing I thought was “Wow! I’d love to be able to control this thing from a web page!”, but of our course I didn’t have an Ethernet shield.
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