VEX ROBOTICS Important Components Microcontroller Power Motor Sensors

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 Transmitter Serial Cable

Power � Self-Explanatory

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

Sensor � Limit � Creates � Shaft Encoder � Counts � a range of motion rotations of wheel Sonar � Measures distance

Transmitter � � � 6 Channels “Trimming” 9 Volts minimum

Transmitter � � Crystal: Certain frequency Connect to microcontroller with cable

Hardware � Parts that keep the robot together � Screws � Nuts � Standoffs � Shaft Collars

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

Standoffs � Very useful support � Columns � Press � Limit Switch Use regular screw

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

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

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