VEX EXP Treasure Hunt Coding

​You will build and code the Clawbot with the Optical Sensor to recognize and collect red Buckyballs to compete in the Treasure Hunt competition!

Treasure Hunt with Clawbot

VEX EXP

You have completed your Clawbot build for the soccer challenge now we are going to start programming your bot so it can do things autonomously.

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​VEX EXP Clawbot

Multiple Choice

Which of the following is NOT true of a Drivetrain?

• It consists of two or more motors

• It needs to be configured in VEXcode EXP

• It makes you have to code individual motors in order to drive your robot forward

• It makes it easier for you to code your robot to drive or turn specific distances

Multiple Choice

Which of the following is the correct order of steps to configure a Drivetrain in VEXcode EXP?

• Select the [Drive] block, Select Help, Drag the [Drive] block into your project

• Open the Devices Window, Select ‘Add a Device’, Select ‘2 Motor Drivetrain’, Select the ports on the Brain that your motors are plugged into, Select ‘Done’

• Open the File menu, Select ‘Open Examples’, and select a project

• Open the Devices Window, Select ‘Add a Device’, Select ‘Bumper Switch’, Select ‘Done’

Hotspot

Which part of the [Drive for] block do you use to change the distance the robot will travel?

Multiple Choice

Which of the following best describes what the robot will do when this project is run? 

• The robot will drive forward for 200mm then turn right 90 degrees, four times, to drive in a square.

• The robot will drive forward 200mm, then turn right 180, then drive back to its starting position.

• The robot will open the ClawMotor 90 degrees, then close it 90 degrees, four times.

• The robot will turn left 90 degrees four times, to rotate in a circle.

Multiple Choice

The ____________ block is a non-waiting block that is typically used with sensors, and will make your robot drive forever. 

• [Turn for]

• [Spin for]

• [Drive]

• [Drive for]

Multiple Choice

This project is intended to drive the robot forward for 300mm, then turn right for 180 degrees, and drive forward for 300mm to return to its original location, however it is not working as intended. Which of the following best describes the problem in the project?

• The [Turn for] block should be replaced with a [Turn] block

• The parameter of the [Turn for] block should be set to 90 degrees

• The second [Drive] block should be set to reverse

• Both [Drive] blocks should be replaced with [Drive for] blocks with the parameters set to ‘forward’ and ‘300 mm’

Multiple Choice

[Spin for] blocks are used to code which of the following in VEXcode EXP?

• A Bumper Switch

• A Touch LED

• A Drivetrain

• An individual motor or motor group

Hotspot

Which part of this [Spin for] block do you use to change the direction the ClawMotor moves?

Multiple Choice

Where can you label your motor and the direction it spins in VEXcode EXP, to make it easier to code your robot?

• Robot configuration

• Robot configuration

• Help

• Toolbox

Multiple Choice

Which of the following best describes path planning?

• The process of guessing and checking your way to a challenge solution with your robot

• Identifying general steps needed to accomplish a task, like ‘drive forward then turn left’

• The process of decomposing a project into the smallest possible behaviors that you can then attach code to

• A cycle of defining, developing solutions, and optimizing your project or robot for competition

Multiple Choice

Path planning is ____________ than guessing and checking to solve a coding challenge or accomplish a task with your robot.

• Less effective

• More effective

• Equally as effective

Multiple Choice

Which of the following shows the steps to path planning in the correct sequence?

• Attach code to behaviors, test your code, iterate on your project

• Identify vague steps needed to complete the task, then guess and check to complete your project

• Talk to your team about what your robot needs to do, take turns adding blocks to the project, start the project

• Identify the task of the robot, break that task down into the smallest possible behaviors, attach code to each of those behaviors