An example of a simple way to command one (or several) Arduino relay (s) via a HTML & PHP web page. I did this for my student project. Please, note that the way to command the Arduino board over ...

Using the W5200 library and evaluate existing Ethernet example. In the Arduino IDE, go to Files->Examples->Ethernet and open any example, compile and upload the file to Arduino board.

The article is a tutorial on how to control 16 relay through Arduino microcontroller with Ethernet shield W5100.

There are more and more “IoT” solutions for home or industrial automation which allow you to control your lights or other equipments remotely with your smartphone or tablet. Many of them are DIY with ...