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SunFounder Fusion HAT+
=====================================

**Welcome to the Fusion HAT+ Documentation**

.. .. note::
..     This document is available in the following languages.

..         * |link_german_tutorials|
..         * |link_jp_tutorials|
..         * |link_en_tutorials|
    
..     Please click on the respective links to access the document in your preferred language.

.. .. image:: img/robot_hat_pic.png
..     :width: 500
..     :align: center
   

The **Fusion HAT+** is a powerful and developer-friendly expansion board designed to unlock the full potential of the Raspberry Pi in robotics and automation projects. Whether you're an educator, maker, or professional developer, Fusion HAT+ provides the essential hardware foundation to rapidly build smart, interactive robots—from autonomous vehicles to voice-controlled assistants.

This board features an onboard MCU, extending the Raspberry Pi’s capabilities with additional PWM outputs and ADC inputs. Integrated motor drivers, audio modules, and user-friendly debugging features make development smoother and more efficient. From basic motion control to advanced voice interaction, Fusion HAT+ grows with your project needs.

**Key Features**

* **Microcontroller-based control** for enhanced PWM/ADC support
* **Motor drivers** for flexible mobility
* **Built-in I2S audio** and mono speaker for sound interaction
* **Customizable I/O interfaces** for easy sensor and actuator integration
* **Smart power design** with status LEDs, user button, and expansion-ready layout
* Onboard **microphone** for voice recognition and audio input
* Dedicated **ZERO button** for fast servo alignment
* Enhanced hardware stability and usability

.. toctree::
    :maxdepth: 2

    About this HAT<self>
    quick_user_guide
    hardware/hardware
    project/project
    ai_interaction/ai_interaction   
    api/fusion_hat
    faq

**Copyright Notice**

All contents including but not limited to texts, images, and code in this manual are owned by the SunFounder Company. You should only use it for personal study,investigation, enjoyment, or other non-commercial or nonprofit purposes, under therelated regulations and copyrights laws, without infringing the legal rights of the author and relevant right holders. For any individual or organization that uses these for commercial profit without permission, the Company reserves the right to take legal action.