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ZigBee

ZigBee. Calvin Choy David Kim Jason Chong Devin Galutira. Terra Spoon Members. Calvin Choy Time Manager, Picaxe Coding David Kim Parts Guy, Grant Writer, Networking Protocol Jason Chong Researcher, Web Designer, Minutes Keeper Devin Galutira Networking Protocol. Project Overview.

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ZigBee

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  1. ZigBee Calvin Choy David Kim Jason Chong Devin Galutira

  2. Terra Spoon Members • Calvin Choy • Time Manager, Picaxe Coding • David Kim • Parts Guy, Grant Writer, Networking Protocol • Jason Chong • Researcher, Web Designer, Minutes Keeper • Devin Galutira • Networking Protocol

  3. Project Overview • What is ZigBee? • Low power, low data wireless protocol • Conduct wireless sensing and control applications • No line of sight concerns • 100-300 ft range

  4. Comparison to Others Technologies • ZigBee • (WPAN) • 250 kbps • Standby 2uA • 32-60 KB memory • 300ft • Bluetooth • WPAN/WLAN • 1 Mbps • Standby: 200uA • 100+KB memory • 328ft range • WiFi • WLAN • Up to 54 Mbps • Standby: 20uA • 100+KB memory • 300ft range

  5. Project Overview - Goals • What can ZigBee do? • How does ZigBee work? • Learn Software and Hardware relationship • Experiment with ZigBee

  6. Project Overview - Goals • Evaluate current designs • Fix bugs • Make improvements and add-ons • Research • Think like a non “techie” • ZigBee for non-ZigBee people

  7. Project Overview - Goals • Identify a need • Disabled, elders, and children • Devise a prototype • Application to make life easier • Universal

  8. Overall Block Diagram of System Picaxe Submodules: • led indicators • additional IC chips, i.e. multiplexers, decoders • coding • power supply Xbee submodules: • power supply

  9. Picaxe to XBee connection

  10. Switching Circuit Relay Circuit

  11. Tasks Left to be Done • Hardware • Study and solve current bugs • Fabricate self printed circuit boards • Manufacture durable cases for the modules • Software • Learn more about transmitting data • UART • Buffers and Overflow • Implementing Sleep Mode • Educational Kit • Manual for non Zigbee People • Product Testing

  12. Potential Downfalls • Error in communication between modules • Undesired results • Bugs, bugs, bugs • Hardware and Software • Reducing size of modules & circuit boards • Powersupply • Different documentations suggest different power requirements • Running out of time

  13. Wireless Mouse via head controlZigbee Solution (Nice to Have Goal) • Study “old school” mice w/roller balls • Motion detected via velocity of spinning cog • Analyze the I/0 • Simultaneous X Y motion • Ergonomics • Optimal range of motion • Perceived field of vision • Create a harness for the head with Zigbee transmitter

  14. Gantt Chart

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