ESP32-S3-N16R8 OLED AI Voice Dev Board – XiaoZhi Module
ESP32-S3-N16R8 OLED AI Voice Dev Board – XiaoZhi Module
ESP32-S3-N16R8 0.96" OLED AI Voice Development Board – XiaoZhi Chatbot Module
Build your own AI-powered voice chatbot with the compact MINI ESP32-S3-N16R8 Development Board. Powered by a blazing-fast 240 MHz dual-core processor and pre-loaded with AI voice firmware, this versatile module is perfect for makers, engineers, and students diving into AIoT, smart home projects, and advanced programming education. Featuring built-in Wi-Fi, Bluetooth 5.0, a microphone, and optional 0.96-inch OLED display, the XiaoZhi AI chatbot kit is ready to bring your ideas to life right out of the box.
Made in Mainland China.
Key Features
- Dual-Core AI Processor: Xtensa® 32-bit LX7 microprocessor, up to 240 MHz — supports AI vision, voice recognition, and neural network processing.
- 0.96" OLED Display: Crisp graphical display for interactive UI and real-time feedback (included in Package 1 & Package 3).
- Built-In Microphone & Speaker Output: High-quality voice input/output with on-board amplifier and speaker cable included.
- Wi-Fi & Bluetooth 5.0: 802.11 b/g/n (2.4 GHz, up to 150 Mbps) plus BT LE 5.0 — ideal for smart home and IoT connectivity.
- Generous Memory: 384 KB ROM, 512 KB SRAM, 16 KB RTC SRAM, and up to 16 MB external PSRAM (N16R8 variant).
- Rich Peripheral Interfaces: Multiple GPIO pins supporting SPI, I²C, I²S, UART, PWM, ADC, and DAC.
- Wide Operating Temperature: Reliable from -40°C to +85°C — suitable for both indoor and industrial environments.
- Compact Form Factor: PCB dimensions just 39 mm × 26 mm; custom casing-friendly design.
- Type-C Port: Modern USB Type-C interface for easy programming and power delivery.
- Pre-Loaded AI Voice Firmware: Start building your XiaoZhi AI conversational robot immediately — no firmware flashing required.
Technical Specifications
| Processor | Xtensa® Dual-Core 32-bit LX7, up to 240 MHz |
| RAM / ROM | 512 KB SRAM, 384 KB ROM, 16 KB RTC SRAM + 16 MB PSRAM |
| Wi-Fi | 802.11 b/g/n 2.4 GHz, up to 150 Mbps |
| Bluetooth | BT LE 5.0 |
| Display | 0.96-inch OLED (optional / Package 1 & 3) |
| Operating Voltage | 3.0 V – 3.6 V |
| Operating Temperature | -40°C to +85°C |
| PCB Size | 39 mm × 26 mm |
| Interface | USB Type-C |
| Peripheral I/O | SPI, I²C, I²S, UART, PWM, ADC, DAC, GPIO |
| Country of Origin | Mainland China |
Application Scenarios
- AIoT: Speech recognition, image processing, smart home automation systems.
- Smart Devices: Smart speakers, smart control panels, and home appliances.
- Industrial Control: Automation and control systems requiring high reliability.
- Education & Robotics: High-end programming education, robotics, and Internet of Things projects.
Package Options
- Package 1: MINI ESP-S3-N16R8 Development Board (with AI voice firmware) + Speaker Cable + 0.96-inch OLED Display
- Package 2: MINI ESP-S3-N16R8 Development Board (with AI voice firmware) + Speaker Cable
- Package 3: 0.96-inch OLED Display only
Select your preferred configuration at checkout.
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Frequently Asked Questions
Q: Does the ESP32-S3-N16R8 development board come pre-loaded with AI voice firmware?
A: Yes! The MINI ESP32-S3-N16R8 development board (included in Package 1 and Package 2) comes pre-loaded with AI voice firmware, so you can start building and testing your XiaoZhi AI voice chatbot project immediately without needing to flash firmware yourself.
Q: What is included in each package option for this ESP32-S3-N16R8 module?
A: Package 1 includes the MINI ESP32-S3-N16R8 development board, a speaker cable, and the 0.96-inch OLED display. Package 2 includes only the development board and speaker cable (no display). Package 3 includes the 0.96-inch OLED display only — ideal if you already own the main board.
Q: Is this ESP32-S3 development board suitable for beginners and educational projects?
A: Absolutely. The board is well-suited for students, hobbyists, and educators. Its pre-loaded firmware, compact size, and rich peripheral support (Wi-Fi, Bluetooth, GPIO, I²C, UART, etc.) make it an excellent platform for learning IoT, AIoT, robotics, and smart home development projects.
Q: What interfaces and connectivity does the ESP32-S3-N16R8 board support?
A: The board supports 802.11 b/g/n Wi-Fi (2.4 GHz) and Bluetooth Low Energy 5.0, as well as a wide range of peripheral interfaces including SPI, I²C, I²S, UART, PWM, ADC, and DAC via multiple GPIO pins. It connects to your computer via a USB Type-C port.
Production & Packaging Notice
To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.