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Academic Presentation Timer

Academic Presentation Timer. Team #6 Ignacio Carranza Danny Cardenas Edward Minter Joshua Roos. Purpose. Accurate timing Seven segment LED’s Multicolored LED array Visible. Why?. Flow Allotted time Grade Critical time. Objective. Microcontroller Multicolor display

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Academic Presentation Timer

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  1. Academic Presentation Timer Team #6 Ignacio Carranza Danny Cardenas Edward Minter Joshua Roos

  2. Purpose • Accurate timing • Seven segment LED’s • Multicolored LED array • Visible

  3. Why? • Flow • Allotted time • Grade • Critical time

  4. Objective • Microcontroller • Multicolor display • User interface • Multiple power sources • Enclosure

  5. Microcontroller • Selection of the microcontroller • Internal clock functionality • Multiple port outputs • Multiple port inputs • Reliability • Cost MC9S12XD 144 Pin LQFP

  6. Display • Seven segment LED’s • Visible to 70’ • 4” – 6” digits • LED array • RGB LED’s • Bi-Color LED’s

  7. User Interface • 0 – 9 keypad • Input times • Set critical times • Start/Stop/Reset • LCD screen

  8. Power • 120VAC • Rectified to 12VDC • 12VDC • Lead-acid battery • Rechargeable • Compact • Supply to display & microcontroller

  9. Plexiglass Dimensions 18”L by 8”H By 6”W Ventilation Enclosure

  10. Estimated Budget Cost

  11. Functional Block Diagram Ultra bright LED Power Display Microprocessor LED Number Display Display Receiver Memory Interface Transmitter Keypad Analog Digital Wireless

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