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CUBE 3D Glasses

CUBE 3D Glasses. Group 22 Lisa Litherland. Introduction. Lenses open and close to create 3D effect Glasses operate on IR signal IR signal cannot pass through walls of CUBE. Objective. Transmit signal to glasses using RF. Benefits. Can close final wall of CUBE

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CUBE 3D Glasses

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  1. CUBE 3D Glasses Group 22 Lisa Litherland

  2. Introduction • Lenses open and close to create 3D effect • Glasses operate on IR signal • IR signal cannot pass through walls of CUBE

  3. Objective • Transmit signal to glasses using RF

  4. Benefits • Can close final wall of CUBE • Full 6-wall virtual experience • Do not have to hold transmitter in front of you • No bulky cords

  5. Original Ideas • Radio Shack TX/RX • Too bulky • Receiver needed to be plugged into outlet

  6. Original Ideas (cont.) • Wireless headphones • Requires understanding circuitry of headphones • Expensive ($60 - $500)

  7. Linx Modules • Small • Light-weight • Easy to implement • Cheap • TX - $4.90 • RX - $10.65

  8. Original Layout

  9. Final Layout

  10. 3 Main Stages • IR Detector • RF System • IR Emitter

  11. IR Detector • Computer sends signal to StereoGraphics IR emitter • Detector captures IR signal • Sent to data in of TX

  12. IR Detector

  13. Input Signal

  14. RF SystemTX • Powered by 5V wall power supply • Data in is from IR Detector

  15. Transmitter

  16. RF SystemRX • Powered by 3V lithium battery • Small • Light-weight • Data out sent to IR emitter

  17. IR Emitter • Must amplify signal from RX • Power not adequate to turn on LED • Use a BJT transistor 2N2222A • Connect Vcc to emitter • Connect anode of IR LED to collector

  18. Receiver Circuit

  19. Testing • Oscilloscope • Viewed input signal • Checked shape of output signal • Measured input/output voltages • Frequency Counter • Frequency at input and output match

  20. Testing (cont.) • Glasses • Check that LED makes lenses switch • Adequate range (~200ft) • Signal goes through CUBE walls

  21. Challenges • Short battery life • Flickering • Old fashioned oscilloscope • No Autoscale!

  22. Successes • Designed and implemented complete working system • Completed work on time • Implemented low cost solution

  23. Future Uses • Same design can be used to send data from person inside CUBE to computer • Heart monitor • Skin conductivity

  24. Questions?

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