Introduction to the Arduino -- Connecting the iPhone to the Arduino -- Controlling the Arduino from the iPad -- Using external sensors from the iPhone -- Connecting to an XBee network -- Other ways to connect
Summary
"Learn how to connect the Arduino platform to any iOS device; build a simple application to control your Arduino directly from an iPad; gather measurements from an ultrasonic range finder and display them on your iPhone; connect an iPhone, iPad, or iPod Touch to an XBee radio network; explore other methods for connecting external sensors to iOS, including Ethernet and the MIDI protocol"--Provided by publisher