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Design Review Presentation EE 396/496 Joint Project March 11, 2006

Design and develop a wireless communication system to modify toys for children with disabilities. Increase accessibility and provide a cheaper alternative to current options. Final result: Multi-Switch Toy with ZigBee protocol.

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Design Review Presentation EE 396/496 Joint Project March 11, 2006

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  1. Design Review Presentation EE 396/496 Joint Project March 11, 2006

  2. Group Members Krystina Tabangcura Electro-Physics Track Previous Projects: [ 296 : Course Scheduler ] Team Captain / Receiving Paul Ramirez Computers Previous Projects: [ 296 : M & M Mighty Mouse ][ 396 : TBD ] Software Programmer / uC Receiving Melanie Locquiao Systems Previous Projects [ 296 : All Access Unit ] Allen Pascual Systems Previous Projects [ 296 : All Access Unit ] System Designer / Transmitting G. Designer / uC Transmiting

  3. Archimedes Hawaii & Assistive Technology Focus of Archimedes Hawaii Project: “Universal Design” Any person with any disability being able to use any IT device (AT) Examples of Assistive Technology

  4. Overview Project Objective:“Design and develop a multi-channel, wireless communication system for the purpose of modifying toys for children with disabilities” Purpose:-To afford children with disabilities the same opportunities -To provide a cheaper alternative to current options-Allow anyone to be able to modify toys

  5. Final Result Multi-Switch Toy Each switch on toy-end operated by a different switch on user-end Overview Representation of Prototype(Push Button Configuration)

  6. ZigBee Protocol Toy Module Switch Module System Diagram Final Result: Any switch operating any toy

  7. XBee OEM RF Module Testing Communication Toy End Switch End

  8. Picaxe Microcontroller Testing Communication

  9. Picaxe Microcontroller Testing Communication • BASIC Review • “Baby Step” Programming

  10. Transmitting • DC Input (Input Transducer -> uC) • Serial Output (uC -> Xbee) • Receiving • Serial Input (Xbee -> uC) • DC output (uC -> Output Transducer) Picaxe Microcontroller Testing Communication

  11. Toy Module 0111111111 1

  12. Problems and Outstanding Issues • PROBLEMS: • Not knowing what to do = Wasting time • Conflicting schedules • Breaking things • Not finishing the project • WHAT NEEDS TO BE DONE: • Getting our modules to communicate!!!! • Researching the different user interfaces and toy switches • Connecting modules to the toys and switches • Testing • Transfer modules from breadboard to PCB

  13. Timeline

  14. QUESTIONs? Visit the Wireless Xbee website at : http://www2.hawaii.edu/~allencha

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