SW g6

1. The line-follower sensor’s detection ranges from 1 to 10 cm.

• TRUE

• FALSE

2. The line-follower sensor robot consists of three echo sensors.

• TRUE

• FALSE

3. A six-legged robot cannot be turned into a line-following robot.

• TRUE

• FALSE

4. In constructing a line-following robot, you do not need to connect the line-follower sensor that gives your robot the ability to detect lines.

• TRUE

• FALSE

5. A line-following robot is a type of robot that follows a specific line controlled by a certain program.

• TRUE

• FALSE

It is often used to keep the robot moving straight and is called a____________.

The __________ continually emits infrared light during the mBot’s movement.

If the infrared light is reflected (encountering white or other light-color surfaces), the ____________ receives the infrared signal and outputs the value of one (1).

You can see the ______ LED on the back of the line-follower sensor, on.

If the infrared light is absorbed or cannot be reflected, the receiver will not receive the infrared signal but will output _________ value.