Chapter 7

1. What are the technologies that are typically used in gesture-control applications?
   • IR LEDs and photodiodes
   • Cameras
2. What four main gestures were covered in this chapter?
   • Forward
   • Backward
   • Left
   • Right
3. What three analog engines are provided in the APDS-9660?
   • Proximity detection
   • Gesture detection
   • RGB color detection
4. What is the difference between a driver and an integrated application module?
   • A driver provides access to all functionality within a chip for use generically by the application. A driver requires a developer to create a higher-level module to use the data from the driver to perform useful work. An integrated application module integrates some driver functionality into the application module so that they are highly integrated and coupled together.

5. What method was used to determine the gesture direction?
   • Using four of the last five data points with...