Treasure Hunt: Lesson 3 – Check Your Understanding

Which of the following is NOT a function of the Optical Sensor?

• Reporting the proximity of an object

• Reporting the color of an object

• Reporting whether the Bumper Switch is pressed

• Reporting the brightness of ambient light

You can view the values the Optical Sensor is reporting as a project is running on the ________.

• Dashboard on the VEX IQ (2nd gen) Brain

• Touch LED

• VEXcode IQ Toolbox

• Help

How many times will the behaviors in this [Repeat] block be executed?

• 300

• 90

• 6

• 0

What condition will be checked next if the condition of the Optical Sensor detecting red is FALSE?

• The condition of the Bumper Switch being pressed.

• The condition of the Optical Sensor detecting green.

• The condition of the Optical Sensor detecting blue.

• The condition of the Touch LED being pressed.

Fill in the blank: The purpose of having multiple [If then] blocks in this project is to have the Optical Sensor check for each color and show the color on the ____.

• Touch LED

• Robot's screen

• Computer monitor

• Mobile device

What is the purpose of using an Optical Sensor in a robotics project?

• To detect colors

• To measure distance

• To start a project

• To make it look cool

In this project when the Optical Sensor detects _____ the robot will _____. (Select all answers that are correct!)

• Red; turn right 90 degrees

• Blue; drive in reverse 300mm

• Green; drive forward 300mm

• Red; drive forward 300mm