# Tools

## \*\* Download the latest version of the [Petoi Desktop APP](https://github.com/PetoiCamp/DesktopAppRelease/releases). \*\*

For detailed installation tutorials and usage instructions, please refer to [Desktop APP Introduction](https://guide.petoi.com/desktop-app/introduction).

From the desktop app version **1.2.1**, the Petoi Desktop App includes a new module: **Tools**. This module provides convenient tools to fix your robot's frequent problems. 

<figure><img src="/files/9H11VrUWgmVvULuTcD1S" alt=""><figcaption></figcaption></figure>

## Reset voice module <a href="#download-the-latest-version-of-the-petoi-desktop-app" id="download-the-latest-version-of-the-petoi-desktop-app"></a>

It is used to reset the [voice command module](https://guide.petoi.com/extensible-modules/voice-command-module), simplifying its [debugging process](https://guide.petoi.com/extensible-modules/voice-command-module#how-to-debug-if-the-voice-command-doesnt-work).  If the voice module does not respond to your voice, you can use this tool to reset it. It's pretty simple to use: click the **Reset voice module** button.

<figure><img src="/files/K5BT0zg61pnYk911sxII" alt=""><figcaption></figcaption></figure>

Please follow the instructions in the message box.&#x20;

<figure><img src="/files/d6uJBBIu4n5Y4lrtR6Kd" alt=""><figcaption></figcaption></figure>

If the problem persists, please email <support@petoi.com>.

## Calibrate gyroscope

{% hint style="info" %}
From the desktop app version **1.2.4**, the interface has added this new function.
{% endhint %}

It is used to calibrate the gyroscope sensor on the mainboard. If you notice that the robot cannot maintain balance while performing skill movements (such as sitting down) and its body keeps shaking, you need to recalibrate the gyroscope. To calibrate the gyroscope, click the **Calibrate gyroscope** button.

<figure><img src="/files/nPiZL3EettB9GlNynmvq" alt=""><figcaption></figcaption></figure>

Follow the instructions in the message box:

<figure><img src="/files/oK9OXmO0clF6DxNY73Zo" alt=""><figcaption></figcaption></figure>

If the problem persists, please email <support@petoi.com>.

## The Serial monitor

From the desktop app version **1.2.7**, we added the serial monitor feature in this interface.

If the robot and computer are already connected via a USB Type-C cable, the program will automatically enable serial communication after the interface opens. You can then directly enter serial commands in the ***serial command input box*** and press the **Enter** key on your keyboard or click the **Send** button to send the serial commands to the robot.

<figure><img src="/files/aHqWIcppwjKp8MU3WbCU" alt=""><figcaption></figcaption></figure>

If you encounter any problems, you can click the **Copy** button below to copy all the information in the output box, or you can select part of the relevant information in the output box with your mouse and then click the **Copy** button to copy the selected information. Paste the copied the information into your email and send it to support.petoi.com for assistance.


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