Final

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Final

  1. 1. Wi-Spy Building a network controlled RC Car Members: Kevin Cross Russell Lewis
  2. 2. Objective <ul><li>Modify an RC Car to be controlled via a wireless network. </li></ul><ul><li>Logitech webcam used for visual relay. </li></ul><ul><li>Mounted EBox II will be used to control car, camera, and wireless conection. </li></ul><ul><li>Create user friendly interface for controlling the car and camera. </li></ul>
  3. 3. Overview Client Router Wireless Adapter eBox II M I C R O C O N T R O L E R Car
  4. 4. Hardware <ul><li>Radio Shack RC Car: Chassis and motors </li></ul><ul><li>eBox II: Runs WindowsCE </li></ul><ul><li>Linksys Wireless Gaming Adapter: WiFi connection </li></ul><ul><li>Wireless Access Point </li></ul><ul><li>PIC 16F676 </li></ul><ul><li>LM123: 5V, 3A Voltage Regulator </li></ul><ul><li>2 TC4429: MOSFETs for servo motor </li></ul><ul><li>8.4V, 3000mAh NiMh battery </li></ul>
  5. 5. The Chassis
  6. 6. Windows CE Software <ul><li>Server App </li></ul><ul><ul><li>Read incoming packets </li></ul></ul><ul><ul><li>Interpret commands and remap to the 6 bit control bit </li></ul></ul><ul><ul><li>Send 6 bit control signal to the PIC over the Parallel port </li></ul></ul><ul><ul><li>3 speeds of forwards, 3 speeds of backwards, right, left, center, stop, and trim adjustments </li></ul></ul><ul><li>Client App </li></ul><ul><ul><li>Read Keyboard Commands </li></ul></ul><ul><ul><li>If arrow keys: adjust the speed and direction of the car </li></ul></ul><ul><ul><li>If +/-: adjust trim to re-center the car </li></ul></ul><ul><ul><li>Send commands to the Server App on port 1337 </li></ul></ul>
  7. 7. Client Software
  8. 8. Microcontroller <ul><li>Received a 6 bit control signal </li></ul><ul><li>Sent a Pulse Width Modulated 5V signal to RC Car’s H-Bridge for forwards/backwards movement </li></ul><ul><li>Read the potentiometer encoded servo motor </li></ul><ul><li>Adjust trim </li></ul><ul><li>Control the servo motor for turning </li></ul>
  9. 9. Final Gantt Chart               Presentation And Reports               Create Client App               Create Server App               Mount Control Hardware               Develop Car Control               Research               Acquire Hardware 12-Dec 5-Dec 28-Nov 21-Nov 14-Nov 7-Nov 31-Oct  
  10. 10. Things we would of liked to do <ul><li>Write a custom Windows CE driver to allow webcam usage. </li></ul><ul><li>Use a faster microcontroller for a better PWM signal, smoothing out movement. </li></ul><ul><li>Relocated some of the weight for better balance. </li></ul><ul><li>Allow access to the LAWN for long-range use. </li></ul>
  11. 11. Questions/Comments <ul><li>? </li></ul>

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