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1.9 Drumming

In this project, we play the drum with a touch switch module.

../_images/1.9_header.png

Required Components

In this project, we need the following components.

../_images/1.9_component.png

It’s definitely convenient to buy a whole kit, here’s the link:

Name

ITEMS IN THIS KIT

LINK

Raphael Kit

337

Raphael Kit

You can also buy them separately from the links below.

COMPONENT INTRODUCTION

PURCHASE LINK

GPIO Extension Board

BUY

Breadboard

BUY

Jumper Wires

BUY

Touch Switch Module

BUY

Audio Module and Speaker

-

Build the Circuit

../_images/1.9_fritzing.png

Load the Code and See What Happens

Load the code file (1.9_drumming.sb3) to Scratch 3.

When you tap on the touch switch module, you will hear the sound of drums coming from the speaker.

Tips on Sprite

Delete the default sprite, then find the Drum-snare sprite and add it, and change the size to 200.

../_images/1.9_touch1.png

Scratch has a Music extension to play instruments and drums, now add it via the Add Extension button.

../_images/1.9_touch2.png

Tips on Codes

../_images/1.9_touch3.png

When pin17 is low (not tapped on the touch switch module), switch the Drum-snare sprite costume to drum-snare-a.

../_images/1.9_touch4.png

When you tap on the touch switch module, gpio17 is low. At this point, the Drum-snare sprite costume is switched to drum-snare-b and the drum sound played on speaker.