1. SunSPOT Wireless Modules Gurdip Singh and Shravanthi Kallem Pervasive Sensor Network Laboratory Computing and Information Sciences

2. Wireless sensor networks Sensing field Base stations PC and Displays

3. SunSPOT

4. -180 MHz 32bit ARM920T core 512K RAM 4Mb Flash Memory 2.4 GHz IEEE 802.15.4 radio USB interface 3-axis accelerometer, temperature, light, touch sensors

5. 3D Acclerometer Get the current acceleration along each axis getAccelX() getAccelY() getAccelZ()

6. 3D Acclerometer To get the current acceleration relative to a previously measured acceleration. getRelativeAccelX() getRelativeAccelY() getRelativeAccelZ()

7. 3D Acclerometer To compute the inclination, or tilt, of an axis getTiltX() getTiltY() getTiltZ()

8. Light/Temperature Light Temperature

9. Wireless network Base Station SunSPOTs

10. Patient Monitoring System

11. Goal Attach sensors to your body. Figure it whether you are moving: Sleeping Sitting Standing Walking ….

13. Accelerometers Tilted Vertical Horizontal

14. vertical horizontal vertical

15. Other postures/activities Attempting to get up from sleeping position Fall Slip

16. Light/temperature sensors Interference Battery power – transmission range