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Making Sense of Sensors 
Lecture 
Tony Wang 
iOS Developer, Researcher, Mobile Designer 
Copyright © 2014 Tony Wang
Overview 
• Intro on mobile sensor technology 
•What mobile sensors can do? 
• Different type of sensors 
•What’s coming in the future
They know where you’re going.
They know how you’re holding.
They know what you’re saying.
They know 
where, how and what.
"The trend of adding more sensors 
to mobile devices will continue.” 
Emiliano Miluzzo 
AT&T Labs Research 
Expert in Mobile Sensing
Video
What can Smartphones Do? 
• Today’s Weather 
• Birthday today 
• Restaurants nearby 
• Food intake 
• Fashion advice 
•Movie rating 
•Map direction 
• Tracking Time 
• lots lots more....
What Sensors Did They Use?
3 Types of Mobile Sensors 
•Motion Sensors 
• Environmental Sensors 
• Position Sensors
Motion Sensors 
• It includes accelerometers, gravity sensors, and 
gyroscopes. 
• They measure acceleration forces and rotational 
forces along three axes. 
• Useful for monitoring device movement, such as tilt, 
shake, rotation, or swing.
Environmental Sensors 
• It includes barometers, photometers, and 
thermometers. 
• They measure various environmental parameters, 
such as ambient air temperature and pressure, 
illumination, and humidity.
Position Sensors 
• It includes orientation sensors and 
magnetometers. 
• They measure the physical position of a device. 
• Useful for determining a device's physical position 
in the world. 
• Position sensors are NOT typically used to monitor 
device movement or motion, such as shake, tilt, or 
thrust
7 Things you didn't know 
smartphone can do
Sensors Making their Way 
• Apple’s M7 chip introduced in 2013 
• Adds to the motion sensing 
capabilities 
• It can tell the difference between 
walking and driving, and take certain 
actions (such as switching off Wi-Fi) if 
you haven't moved for a while 
• It collects data even if the device is 
asleep 
• No need for a wristband
Sensors Making their Way 
• Samsung’s temperature and humidity sensors 
• Enabling the phone to keep an eye on the state of 
the environment around you.
More to Come 
• Air and Water quality sensors 
• 3D cameras 
• Radar or Sonar 
• Emotion 
• UV light sensors 
• more….
“Sensors in smartphones revolutionised 
many aspects of our lives, 
… and they're only just getting started.”

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Making Sense of Sensors

  • 1. Making Sense of Sensors Lecture Tony Wang iOS Developer, Researcher, Mobile Designer Copyright © 2014 Tony Wang
  • 2. Overview • Intro on mobile sensor technology •What mobile sensors can do? • Different type of sensors •What’s coming in the future
  • 3.
  • 4. They know where you’re going.
  • 5. They know how you’re holding.
  • 6. They know what you’re saying.
  • 7. They know where, how and what.
  • 8.
  • 9.
  • 10. "The trend of adding more sensors to mobile devices will continue.” Emiliano Miluzzo AT&T Labs Research Expert in Mobile Sensing
  • 11. Video
  • 12.
  • 13. What can Smartphones Do? • Today’s Weather • Birthday today • Restaurants nearby • Food intake • Fashion advice •Movie rating •Map direction • Tracking Time • lots lots more....
  • 14. What Sensors Did They Use?
  • 15.
  • 16.
  • 17. 3 Types of Mobile Sensors •Motion Sensors • Environmental Sensors • Position Sensors
  • 18. Motion Sensors • It includes accelerometers, gravity sensors, and gyroscopes. • They measure acceleration forces and rotational forces along three axes. • Useful for monitoring device movement, such as tilt, shake, rotation, or swing.
  • 19. Environmental Sensors • It includes barometers, photometers, and thermometers. • They measure various environmental parameters, such as ambient air temperature and pressure, illumination, and humidity.
  • 20. Position Sensors • It includes orientation sensors and magnetometers. • They measure the physical position of a device. • Useful for determining a device's physical position in the world. • Position sensors are NOT typically used to monitor device movement or motion, such as shake, tilt, or thrust
  • 21. 7 Things you didn't know smartphone can do
  • 22.
  • 23.
  • 24.
  • 25.
  • 26.
  • 27.
  • 28.
  • 29. Sensors Making their Way • Apple’s M7 chip introduced in 2013 • Adds to the motion sensing capabilities • It can tell the difference between walking and driving, and take certain actions (such as switching off Wi-Fi) if you haven't moved for a while • It collects data even if the device is asleep • No need for a wristband
  • 30. Sensors Making their Way • Samsung’s temperature and humidity sensors • Enabling the phone to keep an eye on the state of the environment around you.
  • 31. More to Come • Air and Water quality sensors • 3D cameras • Radar or Sonar • Emotion • UV light sensors • more….
  • 32. “Sensors in smartphones revolutionised many aspects of our lives, … and they're only just getting started.”