# Case 43：The Bricks Launcher

## Introduction
Build a bricks launcher with the [Nezha Inventor's Kit](https://shop.elecfreaks.com/products/elecfreaks-micro-bit-nezha-48-in-1-inventors-kit-without-micro-bit-board?_pos=2&_sid=ed1b6fbd2&_ss=r). 

![](./images/43_1.png)

## Quick to Start


### Materials Required

[Nezha Inventor's Kit](https://shop.elecfreaks.com/products/elecfreaks-micro-bit-nezha-48-in-1-inventors-kit-without-micro-bit-board?_pos=2&_sid=ed1b6fbd2&_ss=r)

### Assembly

Components List

![](./images/neza-inventor-s-kit-case-43-02.png)

Build it as the assembly steps suggest: 

![](./images/neza-inventor-s-kit-step-43-01.png)

![](./images/neza-inventor-s-kit-step-43-02.png)

![](./images/neza-inventor-s-kit-step-43-03.png)

![](./images/neza-inventor-s-kit-step-43-04.png)

![](./images/neza-inventor-s-kit-step-43-05.png)

![](./images/neza-inventor-s-kit-step-43-06.png)

![](./images/neza-inventor-s-kit-step-43-07.png)

![](./images/neza-inventor-s-kit-step-43-08.png)

![](./images/neza-inventor-s-kit-step-43-09.png)

![](./images/neza-inventor-s-kit-step-43-10.png)

![](./images/neza-inventor-s-kit-step-43-11.png)

![](./images/neza-inventor-s-kit-step-43-12.png)

![](./images/neza-inventor-s-kit-step-43-13.png)

![](./images/neza-inventor-s-kit-step-43-14.png)

![](./images/neza-inventor-s-kit-step-43-15.png)

![](./images/neza-inventor-s-kit-step-43-16.png)

![](./images/neza-inventor-s-kit-step-43-17.png)

![](./images/neza-inventor-s-kit-step-43-18.png)

![](./images/neza-inventor-s-kit-step-43-19.png)

![](./images/neza-inventor-s-kit-step-43-20.png)

![](./images/neza-inventor-s-kit-step-43-21.png)

### Connection Diagram

Connect two [button](https://shop.elecfreaks.com/products/elecfreaks-planetx-button-sensor?_pos=1&_psq=button&_ss=e&_v=1.0) to J1 and the [motor](https://shop.elecfreaks.com/products/elecfreaks-high-speed-building-blocks-motor?_pos=4&_sid=a2da3fff8&_ss=r) to M1 and M2 on [Nezha Breakout Board](https://shop.elecfreaks.com/products/elecfreaks-nezha-breakout-board?_pos=1&_sid=00432325a&_ss=r).

![](./images/neza-inventor-s-kit-case-43-03.png)

## MakeCode Programming

### Step 1

Click "Advanced" in the MakeCode drawer to see more choices.



![](./images/neza-inventor-s-kit-case-37-04.png)

For programming the [Ultrasonic Sensor](https://shop.elecfreaks.com/products/elecfreaks-planetx-ultrasonic-sensor?_pos=1&_sid=9f90a6738&_ss=r), we need to add a package. Search with "PlanetX" in the dialogue box and click to download it. 

![](./images/neza-inventor-s-kit-case-37-05.png)

For programming [Nezha Breakout Board](https://shop.elecfreaks.com/products/elecfreaks-nezha-breakout-board?_pos=1&_sid=00432325a&_ss=r), we need to add a package. Search with "Nezha" in the dialogue box and click to download it. 

![](./images/neza-inventor-s-kit-case-37-06.png)

*Notice*: If you met a tip indicating that some codebases would be deleted due to incompatibility, you may continue as the tips say or create a new project in the menu. 

### Step 2

### Code as the picture suggests

![](./images/neza-inventor-s-kit-case-43-07.png)

### Reference
Link: [https://makecode.microbit.org/_HEDitaH5CLRF](https://makecode.microbit.org/_HEDitaH5CLRF)

You may also download it directly: 

<div style="position:relative;height:0;padding-bottom:70%;overflow:hidden;"><iframe style="position:absolute;top:0;left:0;width:100%;height:100%;" src="https://makecode.microbit.org/#pub:_HEDitaH5CLRF" frameborder="0" sandbox="allow-popups allow-forms allow-scripts allow-same-origin"></iframe></div>  


### Result

Press button C to launch the bricks. 

![](./images/43_2.gif)