Generic MINI ESP32-S3 AI Voice Development Board w/ Mic & Speaker
Generic MINI ESP32-S3 AI Voice Development Board w/ Mic & Speaker - Image 2
Generic MINI ESP32-S3 AI Voice Development Board w/ Mic & Speaker - Image 3
SKU: IOWC-1041
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Generic MINI ESP32-S3 AI Voice Development Board w/ Mic & Speaker

₹879.00 (Inclusive of all taxes)
Out of Stock

This compact ESP32-S3-N16R8 AIoT development board features a built-in digital microphone, 8Ω speaker, and integrated amplifier, pre-loaded with AI Xiaozhi firmware for rapid prototyping of voice-controlled smart devices and conversational AI applications.

Features

  • Powered by the ESP32-S3-N16R8 module with dual-core 32-bit LX7 processors and integrated Wi-Fi & Bluetooth 5 (LE) for AIoT connectivity.
  • Integrated voice HMI with a built-in digital microphone and 8Ω mini speaker, driven by an onboard audio amplifier for clear input/output.
  • Pre-flashed with AI Xiaozhi conversational firmware, enabling immediate voice command interaction and basic chat functionality out of the box.
  • Compact form factor (40x26mm) with USB Type-C for easy programming, debugging, and power supply, ideal for portable voice-controlled projects.
  • Includes comprehensive developer resources such as video tutorials and firmware burning tools for rapid customization and deployment.

Out of stock

Description

The MINI ESP32-S3 AI Voice Development Board is a specialized hardware platform designed for embedded AI and voice interaction projects. At its core is the ESP32-S3-N16R8 module, which provides the dual-core processing power, 16MB flash, and 8MB PSRAM necessary for running on-device voice recognition and natural language processing algorithms. The board’s integrated audio chain—comprising a digital MEMS microphone, a dedicated audio amplifier IC, and a small speaker—creates a complete, self-contained voice interface.

This board is engineered for low-latency, real-time voice applications, leveraging the ESP32-S3’s AI extensions and the pre-installed AI Xiaozhi firmware stack. Developers can use it to create standalone voice assistants, smart home control panels, or interactive educational robots without the need for external audio peripherals. The USB Type-C interface facilitates seamless firmware updates via ESP-IDF, Arduino IDE, or MicroPython, allowing for deep customization of wake words, command sets, and network connectivity for cloud integration.

Key Features

  • AI-Optimized SoC: ESP32-S3-N16R8 delivers dual-core 240 MHz performance with vector instructions for efficient voice signal processing.
  • Integrated Voice Interface: Complete audio subsystem with digital MEMS mic, Class-D amplifier, and 8Ω speaker eliminates external component needs.
  • Pre-Configured AI Firmware: Ships with AI Xiaozhi firmware for immediate voice command recognition, conversation, and local intent parsing.
  • Developer-Friendly Design: USB Type-C for programming/power, comprehensive GPIO breakout, and extensive tutorial support for quick start.
  • Compact & Portable: Ultra-small footprint and low power consumption enable integration into final product designs and battery-operated prototypes.

Applications

  • Standalone AI Voice Assistants & Chatbots
  • Smart Home Voice Control Interfaces & Switches
  • Interactive Educational Robots & STEM Kits
  • Voice-Controlled IoT Devices & Appliances
  • Prototyping for Conversational AI & Human-Machine Interface (HMI)

Technical Specifications

Microcontroller/SoCESP32-S3-N16R8 (Dual-core, 16MB Flash, 8MB PSRAM)
Wireless ProtocolsWi-Fi 4 (802.11 b/g/n), Bluetooth 5 (LE)
Audio InputBuilt-in Digital MEMS Microphone
Audio OutputOnboard 8Ω Mini Speaker
AmplifierIntegrated Audio Amplifier IC
Programming InterfaceUSB Type-C (UART/CDC, JTAG, Power)
Supply Voltage5V via USB-C
Dimensions40mm (L) x 26mm (W)
Weight10g

Frequently Asked Questions

What firmware is pre-installed on this ESP32-S3 board and how do I reprogram it?

The board comes pre-flashed with the AI Xiaozhi conversational firmware. To reprogram it, connect via the USB Type-C port. Use the ESP-IDF framework, Arduino IDE with the ESP32-S3 board package, or esptool.py for flashing. You may need to put the board into download mode by holding the BOOT button while pressing RESET. Detailed video tutorials and tools are provided for this process.

Can I use this board for offline voice recognition without an internet connection?

Yes, the pre-loaded AI Xiaozhi firmware supports basic offline voice command recognition and conversation. The ESP32-S3's dual-core processor and AI extensions handle the audio processing locally. For more complex natural language tasks, you can integrate it with cloud services via its Wi-Fi connection, but core wake-word and command detection can operate standalone.

What is the power requirement and how do I supply power for standalone operation?

The board is designed to be powered via the USB Type-C port at 5V. For standalone operation, you can use a USB power bank or a regulated 5V DC supply connected to the appropriate pins. Be mindful of the audio amplifier's current draw when the speaker is active. Deep sleep modes are available via firmware to minimize power consumption in battery-powered applications.

Package Includes

  • 1 x MINI ESP32-S3 AI Voice Development Board
  • 1 x 8Ω Mini Speaker

Additional Information

Weight 0.01 kg
Dimensions 4 × 2.6 cm

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