ESP32-S3 Compatible with Xiaozhi AI
AI Large Model Module
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Natural Dialogue Chat | Humanized Module Design | AI Visual Recognition
Open model files | Open-source code | Support for secondary development

Product Introduction
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The ESP32 S3 Vision Module is a powerful and cost-effective AI vision module developed based on the ESP32-S3 chip. It supports multiple functions such as color recognition, QR code scanning, visual line following, and face recognition. Featuring a modular design with a 3D-printed housing, it also provides model files to offer users greater creative flexibility.
The module features built-in serial and IIC interfaces, compatible with platforms such as STM32, Raspberry Pi, Arduino, and 51 microcontrollers. By outputting recognition data through these interfaces, efficient integration is achieved. The product provides complete open-source code and supports secondary development, enabling developers to easily realize innovative ideas.
Multimodal AI Large Model
Hardware and software are both fully loaded
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High performance hardware configuration | Multimodal AI Large Model | AI Visual Recognition&Voice Interaction |
● ESP32-S3 high-performance chip ● 200W high-definition camera ● Noise reducing microphone&high fidelity speaker ● 2.0-inch LCD capacitive touch screen | ● Compatible with AI Xiaozhi platform ● Deploy text/visual/speech AI big models ● Multi modal embodied intelligent applications ● Support DeepSeek/Tongyi Qianwen/Doubao | ● Color&Face&Patrol&Label Recognition ● Real time WiFi image feedback ● 5-meter far-field recognition and broadcasting ● Customize wake-up words and broadcast |
| ESP32-S3 high-performance chip High performance and low-power dual-mode chip Xtensa ® 32-bit LX7 dual core processor architecture |
Humanized module design Realize Expansion Freedom - Easy DIY Support for expanding display screens and voice modules, with flexible connections for both sides of the screen to adapt to different scenarios. The 3D printed shell synchronizes with the source model file, allowing for DIY customization of the shell to meet personalized creative needs. |
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| Multi modal AI Large Model Deployment Dual core architecture+dynamic feedback reasoning Integrated Text/Visual/Speech Large Model Realize text semantic understanding/natural speech dialogue/visual scene recognition |
Compatible with Xiaozhi AI platform Online direct connection to AI Xiaozhi platform Can freely switch between different Al indexes (such as Doubao, Deepseek, etc.) Support custom character design | 50+tone settings | 30+voice options |
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| Rich Expansion&Massive Course Materials IIC communication, compatible with multiple main controllers STM32, ESP32, Arduino, Raspberry Pi micro:bit、 Compatible with multiple mounting brackets and 2D electric pan tilt zoom ..... |
Multi interface compatibility for more efficient development Multiple communication methods including onboard Type-C interface and IIC/UART interface enable the output of coordinate data for key parameters such as face detection and color recognition, making it convenient for developers to debug and apply |
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| Support firmware burning and efficient debugging The visual module can be connected to a computer through a Type-C data cable for firmware burning, making it easy to download and debug quickly. |
Compatible with AI Xiaozhi platform
Intelligent chat personalized customization
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01 Custom roles and personas Support custom roles and character designs, from personality settings to exclusive tones, from memory banks to behavioral logic, to create your own AI companion! | 02 AI intelligent dialogue scenario Whether you want to chat and relieve boredom, obtain information, or need professional answers and knowledge popularization, AI can accompany you brilliantly. |

03 Supports multiple languages Free switching between over 30 languages including Mandarin, English, Japanese, Cantonese, etc., covering real-time interaction in multiple languages and easily crossing language barriers. | 04 supports the fusion of multiple models It can integrate multiple models such as DeepSeek, Qwen3, and Doubao, and freely combine them as needed to improve interaction depth and adaptability. |

Responsibility statement: When accessing large models such as DeepSeek and Alibaba Qianwen, users are responsible for model training, data compliance, and third-party server operation and maintenance. Xiaozhi AI only provides development toolchain and technical documentation support.
Code firmware | All open source
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All firmware and code for the ESP32-S3 visual module are open source, allowing users to delve into the underlying principles and conduct in-depth secondary development.

AI multimodal fusion
Interacting more intelligently
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01 Personification Chat With the help of the big language model, the visual module can understand and respond to every sentence of the user in real time, and output highly personified speech for response. | 02 Semantic Understanding The visual module can accurately capture the core intentions in text and speech, deeply analyze contextual logic, and thus achieve natural and smooth human-computer interaction. |

03 Scene Understanding Through the visual big model, machines can understand the scene within their field of view, judge environmental features based on the database, and output intelligent feedback. | 04 Image Analysis The visual module can use the visual big model to deeply analyze images, extract object features, and accurately match databases, thereby achieving similar object association. |

05 Emotional Perception The visual module can sensitively capture the changes in tone and emotion in user voice commands through a large language model, and provide warm and comfortable responses. | 06 Intent Understanding The visual module can deeply understand and predict potential needs in user instructions, thus autonomously planning tasks and dynamically responding to changes in real time. |

07 Voice Control The visual module can accurately receive user voice instructions and execute corresponding actions in real time through semantic understanding technology of the speech big model. | 08 Long Task Command Execution Through intelligent planning and dynamic adjustment, the visual module can autonomously disassemble complex instructions in user voice commands to ensure reliable task processes. |

09 Weather Inquiry According to user instructions, the visual module can broadcast real-time weather conditions through a voice model, covering core information such as temperature, humidity, and wind speed. | 10 Encyclopedia Q&A With the support of the big language model, the visual module constructs a comprehensive domain knowledge system, which can respond flexibly and accurately from basic knowledge to professional content. |

Say goodbye to constraints
Visual capture anytime, anywhere
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Optional outdoor portable mobile kit, built-in portable power module, no wiring design, can be powered directly through the mobile power supply, matched with adjustable triangular bracket, whether it is outdoor inspection, on-site inspection or temporary control, it can be quickly deployed, allowing visual acquisition to truly achieve "wherever you go, where you use it".
① Convenient power module ② Adjustable triangular bracket

Even when disconnected from the internet, one can still see accurately
Fully loaded with features and gameplay
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01 WiFi screen feedback Through WiFi hotspot connection, the visual module can monitor the real-time transmission of high-definition camera images. | 02 Color recognition Through the color threshold segmentation algorithm, the visual module can accurately recognize various color blocks. |

03 Face detection It can quickly detect faces, obtain location information, and transmit it to control devices through serial communication, facilitating secondary development. | 04 Facial recognition By using lightweight convolutional neural network algorithms, the vision module can achieve face recognition within the field of view. |

05 Cat face recognition Using lightweight convolutional neural network (CNN) algorithm, optimized for cat face features, it can recognize cat faces within the visual range. | 06 QR code recognition The module can recognize QR codes within the field of view and output the recognized values through IIC/serial port. |

Four functional modes
Switch to Al one click experience
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01 Clock Mode The visual module can serve as your smart desktop assistant, providing real-time and accurate display of local weather, time, and other information based on preset cities. | 02 Chat Mode The visual module can listen to and understand the user's speech in real time, and provide dynamic and natural responses, constructing a dynamic and natural voice interaction scene. |

03 emoji mode The visual module can display flexible and cute expressions based on different scenarios, making robot interaction more vivid and interesting, creating an immersive companionship experience. | 04 Offline AI Mode The visual module supports offline firmware burning without relying on the cloud to achieve WiFi image feedback, offline AI visual recognition, and offline voice interaction functions. |

Small size, large energy
Supporting the full capability of AI modules
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01 ESP32-S3 high-performance chip ESP32-S3 is a high-performance, low-power dual-mode chip equipped with a dual core XtensaLX7 processor and a computing power of 600DMIPS, suitable for DIY development and electronic design competitions. | 02 Two million high-definition camera equip 1080P@60 Compared with the traditional OV5640/0V5647 solution, the frame high-definition digital camera has higher imaging clarity and color reproduction, significantly improving the accuracy and stability of visual recognition. |

03 High fidelity speaker Integrated high fidelity speaker unit, with full and transparent sound quality, supports voice broadcasting, prompt sound output and other functions to provide real and vivid sound feedback for the device. | 04 LCD capacitive touch screen Equipped with a 2.0-inch LCD capacitive touch screen, the sliding screen can adjust volume and other touch interaction operations, providing an intuitive and convenient human-computer interaction experience. |

05 onboard mode switching button The onboard mode switching button and wake-up button of the visual module support one click switching function to quickly enter voice interaction mode, making operation simple and efficient. | 06 IIC communication interface Provide IIC communication interface for functional expansion and secondary development, easily adapting to diverse A1 and IoT application scenarios. |

07 Modular Design Modular design can be disassembled and combined, and the shell is made of 3D printed materials. At the same time, open source model files are provided for free creative DIY design of the shell to meet personalized needs. | 08 Mini Size The use of sophisticated structural layout and miniaturized design significantly saves installation space, enhances system integration, and provides higher design flexibility for lightweight and embedded AI applications. |

Compatible with multiple controllers
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The onboard UART/I2C interface can be connected to mainstream controllers such as Arduino, STM32, Raspberry Pi, JETSONNANO, micro: bit, etc. to directly output recognition results to the controller

Multi network communication mode
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① AP direct connection mode ② STA model

Supporting detailed learning materials
From beginner to beginner, easy to master
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(The materials include: product description, development environment setup, visual experiment course, hardware documentation, software tools, program compilation, and extended materials)

All courses are in standard paper format, with illustrations and text that are easy to understand

Provide model files
DIY 3D shell module at will
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Product specifications and parameters
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Interface Description

interface name | Interface Description |
① Screen/Audio Interface | Used for expanding IPS display module and audio expansion module |
② Type-C interface | Used for serial communication and firmware programming |
③ESP32-S3 | On-board ESP32-S3-N16R8 chip |
④ UART serial port interface | On-board serial port interface, which can be used for serial communication with other development boards or modules |
⑤ IIC interface | Equipped with an on-board IIC interface, it can be used for IIC communication with other development boards or modules |
⑥ Reset button | It can be used to restart the program |
⑦ User button | Customizable and extensible development |
Specifications

ESP32-S3 vision module parameters | |||
Product dimensions | 74.17X10.56X51.17mm | Power supply range | 4.75~5.25V |
Working mode | Default AP mode + STA mode | Working distance | ≤20 meters |
Antenna type | FPC antenna | Chip model | ESP32-S3-N16R8 chip |
TF card interface | Recommend a 32GB TF card | Camera | 200W pixels |

ESP32-S3 display parameters | |
Display screen | IPS touch display, resolution 320X240 |
Screen size | 2.0 inches |

ESP32-S3 Voice Module | |
Product dimensions | 58.10X41.6X6.0mm |
Voice module | Integrated microphone and speaker |
Shipping List
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ESP-S3 Visual Module (Standard Edition)

ESP32-S3 Visual Module Type-C data cable 4pin terminal wire
ESP-S3 Visual Module (Display Package)

ESP32-S3 Visual Module+Display Screen Type-C data cable Type-C data cable
ESP-S3 Visual Module (Voice Package)

ESP32-S3 Visual Module+Voice Module Type-C data cable Type-C data cable
ESP-S3 Visual Module (Development Package)

ESP32-S3 visual module+display screen+voice module Type-C data cable Type-C data cable



















