# 1 🧘‍♂️ Tool and Preparation

## 1.1 Preparation

Prepare a clean desk and some small boxes to unzip the package. Take a picture of the kit contents in case you lose something later. 

{% hint style="success" %}
It’s better to work in a room without carpet or textured mosaic. Little screws and springs can magically disappear if dropped onto the ground. 
{% endhint %}

## 1.2 Tools and accessories

{% tabs %}
{% tab title="Required" %}

| **Tool**                       | **Notes**                                                                                                                                                                                |
| ------------------------------ | ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| Flat and Phillips screwdrivers | For M2 (diameter = 2mm) screws                                                                                                                                                           |
| A Windows/Mac/Linux Computer   | <p>Download <a href="https://github.com/PetoiCamp/OpenCat/releases">Petoi Desktop APP</a></p><p>Install the latest <a href="https://www.arduino.cc/en/Main/Software">Arduino IDE</a></p> |
| USB charging port              | 5V 1A output should be enough                                                                                                                                                            |
| {% endtab %}                   |                                                                                                                                                                                          |

{% tab title="Optional" %}

| **Tool**                      | **Note**                                              |
| ----------------------------- | ----------------------------------------------------- |
| Soldering iron w/ accessories | For modifying the PCB if you are a hacker!            |
| 3D printer w/ accessories     | Add your special design                               |
| Arduino/Raspberry Pi kit      | Add more gadgets to Bittle                            |
| Multimeter                    | Test and debug                                        |
| Oscilloscope                  | Test and debug                                        |
| Hot glue/super glue           | Avoid using them. Bittle is designed to be glue-free! |
| {% endtab %}                  |                                                       |
| {% endtabs %}                 |                                                       |