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Wireless Automated News Display (W.A.N.D.)

Wireless Automated News Display (W.A.N.D.). Daniel Karnik, Eric Scott, David Thompson, Ted Wilcox. Overview. Project is a customizable news display Displays headlines, ticker symbols, sports scores Can be set for multiple users or channels Designed as a wireless, low power device

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Wireless Automated News Display (W.A.N.D.)

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  1. Wireless AutomatedNews Display (W.A.N.D.) Daniel Karnik, Eric Scott, David Thompson, Ted Wilcox

  2. Overview • Project is a customizable news display • Displays headlines, ticker symbols, sports scores • Can be set for multiple users or channels • Designed as a wireless, low power device • Prototype is a wired device • Has all desired features except wireless capability • Will be production ready as soon as wireless added • Will be marketed to tech savvy consumers

  3. Objectives

  4. Design Breakdown RSS Feeds Internet Connection Serial Connection

  5. PC Software • MS Visual C# Programming Language • Components of Software • Feed Retrieval and HTML Generation • Data Processing • Sending of Feeds to Device • User Interface Layer

  6. Software Flow Download Transmit Configuration Mode On? no On? no yes Disable Transmit/Download yes Disable Transmit Transmit User 1 Allow Changes Download User 1 Sleep Acquisition? no Download User 2 yes Transmit User 2 Enable Transmit Save Changes Sleep Enable Transmit/Download Sleep

  7. Hardware Components Crystalfontz CFAH2004A-YTI-JP LCD Uses standard HD44780 controller onboard. 20x4 characters Cypress PSoCEval1 board Includes the CY8C29466 PSoC microcontroller (32KB Flash, 2KB SRAM)

  8. Battery Life • 600mAh / 34 mA = 17.7 hours of operation • Device is not designed to be operated continuously • What happens when we attach an LCD?

  9. Battery Life • Crystalfontz 20x4 LCD draws just 1.6mA • Optional backlight adds 60mA • w/o backlight: 16.9 hours • w/ backlight: 6.3 hours

  10. The Product On/Off Switch Backlight On/Off pushbutton Serial Connector User select pushbutton Indicator LEDs for power and receiving data Backlit LCD to display news.

  11. Non-Recurring Cost *Based on four engineers working 12 weeks for 10 hours a week at a $40,000 a year salary.

  12. Cost Summary

  13. Project Timeline

  14. Why Serial Instead of Wireless? • Incompatible USB dongles and receiver modules shipped from Artaflex • Little to no documentation using WirelessUSB w/ PSOCEval1 • Nearly impossible to debug a wireless transmitter • Serial is a simple backup plan

  15. Future Improvements • Correct USB dongles and receiver modules now received from Artaflex • Implementation of wireless component should only require a few hours work • Add Graphical User Interface features

  16. Questions

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