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1.6 Vanishing Vase
Now let’s do a little magic trick, do nothing, and then the vase somehow disappears.
Required Components
In this project, we need the following components.
It’s definitely convenient to buy a whole kit, here’s the link:
Name |
ITEMS IN THIS KIT |
LINK |
|---|---|---|
Raphael Kit |
337 |
You can also buy them separately from the links below.
COMPONENT INTRODUCTION |
PURCHASE LINK |
|---|---|
Build the Circuit
Load the Code and See What Happens
Load the code file (1.6_vanishing_vase.sb3) to Scratch 3.
When you use a magnet near the reed switch module, a vase will appear on the stage, take away the magnet and the vase will disappear.
Tips on Sprite
Select Sprite1 and click Costumes in the top left corner; upload desk1.png and desk2.png from the ~/raphael-kit/scratch/picture path via the Upload Costume button; delete the default 2 costumes, and rename the sprite to desk.
Tips on Codes
When the magnet is close to the reed switch module, gpio17 is low, and the costume of the desk sprite is switched to desk1 (the vase is still on the desk).
After taking away the magnet, gpio17 is high, at this time the costume of the desk sprite is switched to desk2 (only one desk).