case 03 Auto Windows
Goal
Make a smart wardrobe
Materials
1 x ELECFREAKS micro:bit Smart Home Kit 1 x corrugated board
Background
What is smart wardrobe
Smart wardrobe could automatically open and let people take cloth. A slight push and the door open.At the same time, wardrobe door was setted low noise, it will not disturb sleep.
Smart wardrobe operation
Controling crash detect module using micro:bit and receive crash signal.The micro:bit will control servo to open the door with light up when it received signal.
Practical operation
Materials: corrugated board and cutter
Build as below picture：
Front side：
Back side：
Paste devices as below piture:
Hardware connect
Software
Edge Connector Data Sheet
Programming
Step 1
Go to MakeCode page, click Advanced in the code block and click on Extensions.
We need to add a new codebase for programming of smart home. Finding “Add Package” in the bottom of code block and click it. Then a message box will show up, search “smart home"， and download this new codebase.
Note: If there is a hint says some codebase will be deleted because of incompatibility. Don't worry. You could go ahead as the hint or build a new item in item menu bar.
Step 2
Drag on start from Basic and snap into set pull pin P2 to up.
Drag servo write pin from Pin, choose P7, set P7 to 180° and set door to -1 for closing the door。
Step 3
If digital read P2, the door variables will be contrary.If door variables is true, rainbow LED shows white, servo turns 0 °with door opens and pause 2 seconds.
Step 4
If door variables is false, servo turns 180° with door closes, pause 2 seconds and the rainbow LED off.
Programming
Make code：https://makecode.microbit.org/_2J3VR42c29cw
You also could directly download program visit website as below:
Result
Turning of the servo will drive the door open with rainbow led light up.
Front side：
Back side：
Think
How to make a clothes racks ?