Susan, yes it offloads the main chip, especially for things like calibration and compensation. Just saw a press release on a llibrary of functions for turning a magnetometer reading into a reliable compass. More complex than you might at first think.
Drones are, in essence, flying autonomous vehicles. Pros and cons surrounding drones today might well foreshadow the debate over the development of self-driving cars. In the context of a strongly regulated aviation industry, "self-flying" drones pose a fresh challenge. How safe is it to fly drones in different environments? Should drones be required for visual line of sight – as are piloted airplanes? Join EE Times' Junko Yoshida as she moderates a panel of drone experts.