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VEX RObotics

VEX RObotics. Important Components. Microcontroller Power Motor Sensors Transmitters Hardware. Microcontrollers. Don’t worry too much about the Interrupt. Make sure you know where the Motor and Sensor inputs are. Interrupt. Sensors. Motors. Microcontrollers. Status lights. Battery.

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VEX RObotics

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  1. VEX RObotics

  2. Important Components • Microcontroller • Power • Motor • Sensors • Transmitters • Hardware

  3. Microcontrollers Don’t worry too much about the Interrupt. Make sure you know where the Motor and Sensor inputs are. Interrupt Sensors Motors

  4. Microcontrollers Status lights Battery Transmitter Serial Cable

  5. Power • Self-Explanatory

  6. Motor • Use shafts, bearing flats, and thin screws • Only Continuous Motors • Different from usual DC motors

  7. Sensor • Limit • Creates a range of motion • Shaft Encoder • Counts rotations of wheel • Sonar • Measures distance

  8. Transmitter • 6 Channels • “Trimming” • 9 Volts minimum

  9. Transmitter • Crystal: Certain frequency • Connect to microcontroller with cable

  10. Hardware • Parts that keep the robot together • Screws • Nuts • Standoffs • Shafts • Shaft Collars

  11. Screws & Nut • Thick: • Most parts • Thin: • Motors • Rack Gears • Tips: • Push down and twist • Otherwise, they become stripped • If possible, tighten from nut

  12. Standoffs • Very useful support • Columns • Press Limit Switch • Use regular screw

  13. Shaft Collar • Tighten things in shafts • Stop motors and wheels from sliding • Tips: • Never unscrew too much • Not too tight • Use thin wrench

  14. Tips Summary • Shaft Collar • Never unscrew too much • Not too tight • Screws • Push down while twisting (Becomes stripped) • Zip Ties • Only at end

  15. End of Presentation • Thanks for putting up with the lecture! • Let’s Start Building!

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