Inner shaft spins as the encoder counts.

Excess torque against the internal mechanical stops will cause them to wear away.

Internal mechanical stops prevent potentiometer from turning a full revolution.

Measures rotation of a shaft between 0 and ~265 degrees.

Analog Sensors: -Light Sensor -Potentiometer -Line follower.

Digital Sensors: -Bumper Switch -Limit Switch -Optical Shaft Encoder -Ultrasonic Range Finder.

Provide inputs to sense the environment.

Similar in appearance to the 3-wire motor.

Motor port 2-9 using Motor Controller 29.

KEPS nuts have a ring of “teeth” on one side to grip the piece being installed.

Nylock nuts have a plastic insert to prevent them from unscrewing.Metal components directly attached using 8-32 screws and nuts.Allows for VEX parts to be connected in almost any configuration.

VEX Structure Subsystem forms the base of every robot.VEX Robotics Platform:Testbed for Learning Programming Design and create a control system based on given needs and constraints.Judge between open and closed loop systems in order to choose the most appropriate system for a given technological problem.Differentiate between the characteristics of digital and analog devices.Choose appropriate input and output devices based on the need of a technological system.Create system control programs that utilize flowchart logic.Create control system operating programs that utilize computer software.Create detailed flow charts that utilize a computer software application.Performance ObjectivesIt is expected that students will: VEX Robotics Platform and ROBOTC Software Introduction

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