Virtual Challenge 3: Distance Sensor

Challenge 3: Distance Sensor

Lesson Objectives:

To learn how to use the distance sensor.

Lesson Outcomes:

ALL students will: Learn how to use an IF block with the distance sensor

MOST students will: Learn how to use an IF ELSE block with the distance sensor

SOME students may: Learn how to use an IF ELSE IF block with the distance sensor

Keywords:

IF statement: A programming conditional statement that, if proved true, performs a function.

Introduction:

Get the sensor to turn on the motor once the distance of the object is less than 50cm.

Main Activities:

Task 1: IF ELSE

Chance the IF block to an IF ELSE.

IF the distance is < 50, turn on the motor at 10% power.

If the distance is not < 50, turn off the motor.

Task 2: IF ELSE IF

Change the block to an IF ELSE IF & AND

Program the following to work:

IF the distance is > 0 AND < 50, run the motor at 10%
IF the distance is >50 AND <100, run the motor at 50%
ELSE stop the motor.

Extended Activity:

Can you add in a second sensor? E.g. If the color sensor see's red AND the distance sensor is < 50, do something.

Rounding up the Lesson:

Portfolio

Take a video of your program working. Make sure your code is clearly visible. If your code is not clearly visible, take a screenshot of that and put it on your portfolio.

Do NOT use your phone to record your screen, use Quicktime. Speak to me if you cannot do this.