Getting Started Guide

SCRATCH CODING KIT

Coding the DJ Box

If you have exhausted the infrared sensor values, we will make the DJ box play different bits as the infrared sensor

shows.

Scratch can make a lot of sound including drum beat. Go to the palette and choose Sound template.

Bring a block that looks like this

Make sure you hear sound from your computer and click on the block. You can hear the drums on your computer.

If you want to hear other drum sounds, try changing the value of the drum.

Now, if your infrared sensor is to the left of the "C" area of the gradient on the previous page, try creating a simple

program that makes a sound. In this case, the value of the "C" box is the threshold value. Here is the flowchart

showing how it works.

YES

Is the value of

the IR sensor

less than 'c'?

Play the beat

Don't do anything