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Silly String Shooter

Silly String Shooter. Sean Hicks Dongpu Jin ELEC 307 Project 1 Instructor: Alvaro Pinto March/14/2011. Overview. Background and Theory Specification Explanation Summary Work to Be Done Conclusion. Background and Theory. We are building a Silly String Shooter

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Silly String Shooter

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  1. Silly String Shooter Sean Hicks Dongpu Jin ELEC 307 Project 1 Instructor: Alvaro Pinto March/14/2011

  2. Overview • Background and Theory • Specification • Explanation • Summary • Work to Be Done • Conclusion

  3. Background and Theory • We are building a Silly String Shooter • It can be used as a automatic self defence detector • This is a hard ware and software co-design project

  4. Background and Theory • The detection will be handled by a passive infrared sensor • The power of the physical movement of the trigger is provide by a motor • A microcontroller is utilized as the control center. It contains our software design.

  5. Specification • Components: • Arduino ATmega328P Microcontroller • Futaba s3003 Servo Motor • Parallax PIR (Passive Infrared) Sensor • A bottle of Silly String

  6. Specification • Arduino ATmega328P Microcontroller: • The control center. • Will interact with both motor and sensor.

  7. Specification • Futaba s3003 Servo Motor: • It has a rotatable gear with four arms • Receive signal from microcontroller and push the lever.

  8. Specification • Parallax PIR (Passive Infrared) Sensor: • It will detect movements in the background and send signal to the microcontroller. • It has almost 360° detection area. We attached a little tube to narrow the range.

  9. Specification • A bottle of Silly String • The hat is glued with the motor • Lever will trigger the silly string to fire

  10. Explanation • Connections: PIR Sensor Servo Motor & Silly String Arduino Microcontroller

  11. Explanation • How it works? • PIR Sensor will tied to the microcontroller. When it detects any background movement, it will send signal to microcontroller. • When microcontroller receives the signal from the PIR Sensor. Its inside logic will analyze and process the signal. Then it will send command signal to the Servo motor. (continue…)

  12. Explanation • The Servo motor will be triggered by the signal from the microcontroller. It will start rotating the lever and pushing the button to fire silly strings.

  13. Explanation • Flow Chart: PIR Sensor No Movement? Yes! Controller Motor fires Silly Strings

  14. Summary • We have tested the PIR Sensor and Servo Motor individually using discrete components. • We wrote a testing C program for Arduino Microcontroller.

  15. Work to Be Done • We will do more testing to make the microcontroller work correctly together with the PIR Sensor and Motor.

  16. Conclusion • This concludes our presentations of Project 1- Silly String Shooter. • Any questions?

  17. Conclusion • Thanks for your attention!

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