ESP32-S3 AI Smart Speaker Development Board
Dual microphones | AI Speech | Surround RGB Lighting
Supports Noise Reduction And Echo Cancellation. Onboard LCD and DVP interfaces for connecting external displays and cameras
Features
The ESP32-S3-AUDIO-Board is based on the ESP32-S3 with 2.4GHz Wi-Fi and Bluetooth 5 (LE) support, integrates high-capacity Flash and PSRAM, built-in dual microphones, speaker, surround RGB LEDs, onboard multiple interfaces. It enables the rapid development of smart devices such as AI speakers, voice interaction systems, HMI screens and camera applications.
| High-performance MCU: Adopts ESP32-S3R8 module with Xtensa 32-bit LX7 dual-core processor, up to 240MHz main frequency |
| Wireless Connectivity: Supports 2.4GHz Wi-Fi (802.11 b/g/n) and Bluetooth 5 (LE), with onboard antenna |
| Storage Resources: Integrated 512KB SRAM, 384KB ROM, 8MB PSRAM, and external 16MB Flash memory |
| Voice Interaction: Dual microphone array with noise reduction and echo cancellation, suitable for accurate speech recognition and near/far-field wake-up |
| Clock Management: Integrated PCF85063 RTC chip, supports power-off time retention for alarm, scheduled task, and wake-up functions |
| Colorful Lighting Effects: Onboard 7x surround RGB LEDs, programmable for a variety of dynamic effects |
| HMI Interfaces: Multiple reserved buttons and battery switch for customized function development |
| Expansion Interfaces: SPI LCD display interface (FPC connector / pin header), DVP camera interface (24pin connector), USB, I2C, and some I/O pins (compatible with display interface I/O pins) |
| Multimedia Features: Onboard audio decoding chip, dual microphones and speaker header |
| Storage Expansion: Onboard TF card slot for storing audio files, etc. |
| Power Management: Built-in battery recharge management module, supports multiple power modes and low-power applications |
Onboard Audio Input/Output
Supports high-quality audio processing, providing clear and high-quality audio input and output. Equipped with the offline voice model we provided to realize device control via customizable shortcut commands
Supports AI Speech Interaction
Allows access to online large model platforms such as DeepSeek, Doubao, etc
Supports External LCD displays & Cameras
Onboard LCD interface, compatible with Waveshare 1.47inch / 2inch / 2.8inch / 3.5inch LCDs and other SPI displays. Onboard DVP interface, compatible with ESP32 OV2640 / OV5640 cameras
* for reference only, please refer to the Package Content for the detailed part list.
What's On Board
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1. ESP32-S3R8 dual-core processor, up to 240MHz operating frequency |
13. IPEX1 connector for connecting external antenna, enabled via resoldering an onboard resistor |
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2. TCA9555PWR GPIO expander chip |
14. Onboard ceramic antenna |
| 3. PCF85063 RTC chip | 15. Amplifier chip |
| 4. Buttons | 16. ES8311 chip |
| 5. USB Type-C port | 17. 16MB flash |
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6. Charge indicator Lithium battery charge indicator, lights up when charging, off when fully charged (the light status is uncertain when the battery is not connected) |
18. RTC battery header for connecting rechargeable RTC battery |
| 7. Battery switch | 19. ES7210 chip |
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8. 18PIN display interface for connecting to displays with corresponding pinout |
20. MP1605GTF-Z power module, supports up to 3.3V 2A output |
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9. Camera interface for connecting to cameras with corresponding pinout |
21. Battery recharge manager |
| 10. TF card slot | 22. 7x surround RGB LEDs |
| 11. Microphones |
23. MX1.25 battery header MX1.25 2PIN connector, for 3.7V Lithium battery, supports charging and discharging |
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12. PIN header Compatible with display interface I/O pins |
24. Speaker header |
Interfaces Definition
Outline Dimensions
Resources & Services
Wiki: www.waveshare.com/wiki/ESP32-S3-AUDIO-Board
Package Content
Weight: 0.142 kg
ESP32-S3-AUDIO-Board x1
Lithium battery x1
Want to buy in bulk?
Custom Requirements?
Discussion Forum
Feel free to ask questions, share tips or report issues.