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3 cards from this section. Quick, good the night before a test.
What does a motion sensor detect?
Think about the physical activity.
What does PIR stand for?
Think about what kind of radiation it detects.
What type of motion sensor detects body heat?
Consider what kind of sensor is typically used in security.
True or False: Accelerometers are primarily used in medical devices.
Think about where you most commonly see accelerometers.
Describe a scenario where both PIR sensors and accelerometers could improve security in a smart home system.
Think about how integration can improve overall security.
Design a fitness application that takes advantage of accelerometers. How does it track the user's physical activity?
Consider all the activities the app could monitor.
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