1. Home Monitoring with Wireless Sensor Networks Jesse Phelps – Senior Developer, LashBack

2. Agenda ZigBee XBee – Basic Overview – Adapter Kill A Watt Motion Detector (PIR) XBee frame description Other uses

3. Wireless Sensor Networks

4. ZigBee Personal Area Network Built on IEEE 802.15.4 Adds authentication & encryption

5. ZigBee Stack

6. XBee

7. XBee Specs Power output: 1mW Indoor/Urban range: Up to 100ft (Pro 300ft) Outdoor/LOS range: Up to 300ft (Pro 1mi) RF data rate: 250kbps Operating frequency: 2.4 GHz

8. XBee Adapter

9. Adapter Pinout

10. Wireless Kill A Watt

11. Parts Kit

12. Schematic

13. Assembled Kit

15. Assembled Kill A Watt

17. Motion Detector Passive Infrared (PIR) Pryoelectric Device Detects change in the infrared profile

18. Pyroelectric Devices Voltage output with temperature changes – Temperature change modifies atom position – Changes polarization – Gives rise to voltage

19. Fresnal Lens

20. Frame Description 7EStart Delimiter 00 0CLength Bytes 83API Identifier for 16bit DIO Data 56 78Source Address 2ERSSI Value bytes 00Option byte 02Sample Quantity Byte

21. Frame Description continued 00 18Channel Indicator – 0 0 0 0 0 0 0 00 0 0 0 1 1 0 0 00 18Sample Data (1 high, 0 low) 36Checksum

22. Other uses Wireless temperature sensor.NET Micro

23. Links http://www.digi.com/ http://www.ladyada.net/ http://www.p3international.com/ http://www.devicesolutions.net/

24. Sponsors

25. Questions? @jessephelps http://www.jessephelps.com/