Connecting Your Arduino to the Internet - Exploring Arduino: Tools and Techniques for Engineering Wizardry - page 339

Figure 14-11: Xively graphs for multiple sensors
You have now successfully used your Arduino as both a webserver and a
client to a remote web service. Try adding digital sensors, visual feedback, and
more to make your system truly interactive.
Summary
In this chapter you learned about the following:
■ The Internet has a lot of acronyms. You learned the meanings of IP, DHCP,
DNS, MAC, and more.
■ You learned the differences between clients and servers.
■ You learned enough basic HTML to write a form for controlling your
Arduino over the web.
■ You ran a web server from your Arduino.
■ You can control I/O pins on your Arduino over the Internet.
■ You learned how to connect your Arduino to the Xively graphing server.
■ You learned how to display data from multiple sensors online.