# Case 05:  Rotary Chairs

## Purpose
---
To make a rotary chair project. 
 
![](./images/case-05-01.png)

## Link
---
[micro:bit Wonder Building Kit](https://shop.elecfreaks.com/products/elecfreaks-micro-bit-32-in-1-wonder-building-kit-without-micro-bit-board?_pos=5&_sid=2094afd2f&_ss=r)

## Materials Required
---
![](./images/case-05-02.png)

Video link:
[https://youtu.be/owKA9El5Or0](https://youtu.be/owKA9El5Or0)


## Bricks build-up
---


![](./images/step-case-05-01.png)

![](./images/step-case-05-02.png)

![](./images/step-case-05-03.png)

![](./images/step-case-05-04.png)

![](./images/step-case-05-05.png)

![](./images/step-case-05-06.png)

![](./images/step-case-05-07.png)

![](./images/step-case-05-08.png)

![](./images/step-case-05-09.png)

![](./images/step-case-05-10.png)

![](./images/step-case-05-11.png)

![](./images/step-case-05-12.png)

![](./images/step-case-05-13.png)

![](./images/step-case-05-14.png)

![](./images/step-case-05-15.png)

![](./images/step-case-05-16.png)

![](./images/step-case-05-17.png)

![](./images/step-case-05-18.png)

![](./images/step-case-05-19.png)

![](./images/step-case-05-20.png)

![](./images/step-case-05-21.png)

![](./images/step-case-05-22.png)

![](./images/step-case-05-23.png)

![](./images/step-case-05-24.png)


## Hardware Connection

Connect a [motor](https://www.elecfreaks.com/geekservo-motor-2kg-compatible-with-lego.html) to M2 port on [Wukong breakout board](https://www.elecfreaks.com/wukong-board-with-lego-holder-for-micro-bit.html).

![](./images/Wonder-Building-Kit-case-05-06.png)


## Software Platform
---
[MakeCode](https://makecode.microbit.org/)

## Coding
---
### Add extensions
Click "Advanced" in the MakeCode to see more choices.
 
![](./images/case-01-03.png)

Search with Wukong in the dialogue box to download it. 

![](./images/case-01-04.png)

 

### Program
 
![](./images/case-05-05.png)

Link:[https://makecode.microbit.org/_cYPE670Rz5cc](https://makecode.microbit.org/_cYPE670Rz5cc)

### Result

Press button A to start the rotary chairs and press button B to stop it.