# The Combat Cart-3

## Purpose
Use the Cutebot smart car to create a cart that can push opponents off the playing field or lose their ability to move.

![](./images/cutebot-case-28-01.png)

## Materials

1 × [Cutebot smart car](https://shop.elecfreaks.com/products/elecfreaks-micro-bit-smart-cutebot-kit-without-micro-bit-board?_pos=1&_sid=4c6909119&_ss=r)

1 × [Cutebot lithium battery pack](https://shop.elecfreaks.com/products/elecfreaks-cutebot-lithium-battery-pack?_pos=1&_sid=40d2051cb&_ss=r)

n × Building block parts (block parts need to be prepared by yourself)

## Assembly

### The installation steps of lithium battery pack:

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

### Construction steps of the building blocks：

Parts List：

![](./images/cutebot-case-28-step-01.png)

Build steps：

![](./images/cutebot-case-28-step-02.png)

![](./images/cutebot-case-28-step-03.png)

![](./images/cutebot-case-28-step-04.png)

![](./images/cutebot-case-28-step-05.png)

![](./images/cutebot-case-28-step-06.png)

![](./images/cutebot-case-28-step-07.png)

![](./images/cutebot-case-28-step-08.png)

![](./images/cutebot-case-28-step-09.png)

![](./images/cutebot-case-28-step-10.png)

![](./images/cutebot-case-28-step-11.png)

![](./images/cutebot-case-28-step-12.png)

![](./images/cutebot-case-28-step-13.png)

![](./images/cutebot-case-28-step-14.png)

![](./images/cutebot-case-28-step-15.png)

![](./images/cutebot-case-28-step-16.png)

## Connection method

Connect the servo to the S1 of the cutebot smart car.

![](./images/cutebot-case-26-10.png)


## Software

[MicroSoft Makecode](https://makecode.microbit.org/#)

## Program

### Add extension
Click “Advanced” in the drawer of MakeCode to see more choices.

![](./images/cutebot-case-24-01.png)

For programming, we need to add a package. Click “Extensions” at the bottom of the drawer and then search `Cutebot` in the dialogue box to download it.

![](./images/cutebot-case-24-02.png)

For programming, we need to add a package. Click “Extensions” at the bottom of the drawer and then search `Joystick:bit V2`in the dialogue box to download it.

![](./images/cutebot-case-22-03.png)

***Note:*** If you get a warning indicating some packages will be removed because of incompatibility issues, you can follow the prompts or create a new project in the menu.

### Program
### Cutebot


![](./images/cutebot-case-26-04.png)


Link: [https://makecode.microbit.org/_6kD6KAaEfA8W](https://makecode.microbit.org/_6kD6KAaEfA8W)

You can also download the program directly from the following webpage.

<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:https://makecode.microbit.org/_6kD6KAaEfA8W" frameborder="0" sandbox="allow-popups allow-forms allow-scripts allow-same-origin">
</iframe>
</div>  

### Remote control


![](./images/cutebot-case-26-05.png)


Link: [https://makecode.microbit.org/_6fy3K4Xctdgz](https://makecode.microbit.org/_6fy3K4Xctdgz)

You can also download the program directly from the following webpage.

<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:https://makecode.microbit.org/_6fy3K4Xctdgz" frameborder="0" sandbox="allow-popups allow-forms allow-scripts allow-same-origin">
</iframe>
</div>  

## Result 

If you control the driving direction of the car by the rocker of the remote control, press the C/D button of the remote control to control the servo action.