In this chapter you will
Build a web server to display data on a web page
Use your Arduino to send tweets on Twitter
Remotely control Arduino digital outputs from a web browser
In this chapter you’ll learn how to connect your Arduino to the outside world via the Internet. By doing this, you can broadcast data from your Arduino and remotely control your Arduino from a web browser.
To build these Internet-related projects, you will need some common hardware, cable, and information.
Let’s start with the hardware. You’ll need an Ethernet shield with the W5100 controller chip. You have two options to consider: You can use the genuine Arduino-brand Ethernet shield, as shown in Figure 19-1, or you can use an Arduino ...