1. Posture Correction Chris Yao (type your name here)

2. Contents Purpose Project scope Implementation Feasibility

3. Purpose Over 10 million days lost due to musulo-skeletal absence per year (UK). Millions spent on therapy and treatment Correct posture for computer usage Reduced medical coverage Increase overall health Extensive add-on capabilities

4. Project scope Device connected to the computer and user Detects whether user is in ideal posture or not Warns user when deviating from ideal posture Alarm system for extended computer usage Tailored to each user’s individual needs

5. Implementation Hardware ▫Sunspot – accelerometer detecting change in posture ▫Slave devices attached to user, possibly shoulder blades or chest idea ▫Host device connected to the computer

6. Implementation Software ▫Programmed in Java ▫Detection algorithm for changes in accelerometer ▫User interface to customize the Sunspot devices as well as the entire program ▫Warning system

7. Steps for initializing posture correction system Posture Correction System User places two SunSPOT Devices to his/her body User sets his/her own ideal posture User sets his/her preferences User starts the posture correction system 1234

8. Posture Correction System Features Steps for initializing posture correction system Posture Correction System User places two SunSPOT Devices to his/her body User sets his/her own ideal posture User sets his/her preferences User starts the posture correction system 1234 Warnings when deviation from ideal posture Alarm system Continuous visual feedback Graphical User Interface

9. Posture Correction System Features Steps for initializing posture correction system Posture Correction System User places two SunSPOT Devices to his/her body User sets his/her own ideal posture User sets his/her preferences User starts the posture correction system 1234 Warnings when deviation from ideal posture Alarm system Continuous visual feedback Graphical User Interface Different Levels of Warnings 1.Textual warning 2.Warning by sound 3.Disabling mouse/keyboard 4.Shutting down the computer

10. Posture Correction System Features Steps for initializing posture correction system Posture Correction System User places two SunSPOT Devices to his/her body User sets his/her own ideal posture User sets his/her preferences User starts the posture correction system 1234 Warnings when deviation from ideal posture Alarm system Continuous visual feedback Graphical User Interface Alarm System 1.Encourage user to take breaks 2.Warn user to take a rest if working too long 3.Warn user to go back to work if resting too long

11. Posture Correction System Features Steps for initializing posture correction system Posture Correction System User places two SunSPOT Devices to his/her body User sets his/her own ideal posture User sets his/her preferences User starts the posture correction system 1234 Warnings when deviation from ideal posture Alarm system Continuous visual feedback Graphical User Interface Continuous visual feedback 1.Show user’s posture on display

12. Posture Correction System Features Steps for initializing posture correction system Posture Correction System User places two SunSPOT Devices to his/her body User sets his/her own ideal posture User sets his/her preferences User starts the posture correction system 1234 Warnings when deviation from ideal posture Alarm system Continuous visual feedback Graphical User Interface 1.Customizing the software 2.Save/Load user settings 3.Set levels of warnings 4.Customizing SunSPOT devices

13. Feasibility Sunspot compatible with almost all platforms since it uses Java User interface also programmed in Java for easy integration Source code control through Google code Tasks divided between hardware and software

14. Questions

15. References Sunspot ▫one basestation Sun SPOT unit with USB power ▫two free-range Sun SPOT units with onboard battery ▫Dimensions of the Sun SPOT are 41 x 23 x 70 mm. Weight is about 54 grams. ▫http://sunspotworld.com/docs/Red/SunSPOT- OwnersManual.pdf