Waveshare ESP32-S3 AI Smart Speaker Development Board

The Waveshare ESP32-S3 AI Smart Speaker Development Board is an all-in-one solution for building smart voice-interactive applications. Powered by the ESP32-S3R8 dual-core processor, it integrates Wi-Fi, Bluetooth 5.0, and AI capabilities for speech recognition and offline voice control. With onboard dual digital microphones, an audio codec, and noise reduction/echo cancellation, it delivers crystal-clear audio input/output. It also features vibrant 7x surround RGB LEDs, TF card slot, USB Type-C, and support for external LCD displays and DVP cameras. This board is ideal for smart speakers, voice assistants, HMI interfaces, and more. Built-in battery management and extensive I/O make it developer-friendly and compact for IoT and embedded projects. Supports AI Speech Interaction Onboard Audio Input/Output Note: Refer to datasheet in the ATTACHMENTS section for more info. regd. the product. Features: ESP32-S3R8 dual-core processor with up to 240MHz frequency Dual digital microphone array with noise reduction and echo cancellation Integrated Wi-Fi (2.4GHz) and Bluetooth 5.0 (LE) Onboard 7x RGB surround LEDs for dynamic lighting effects Audio codec and speaker support for high-quality audio input/output Supports offline voice commands for AI interaction Expansion interfaces for SPI LCDs and DVP cameras Onboard battery management for portable use with 3.7V Li-ion battery Package Includes: 1 x Waveshare ESP32-S3 AI Smart Speaker Development Board

Specifications

Memory	512KB SRAM, 8MB PSRAM, 16MB Flash
Voice	Dual microphones, ES7210 ADC, and ES8311 DAC
I/O Interfaces	USB Type-C, I2C, SPI, GPIOs, TF card slot
Power	MP1605GTF-Z regulator (3.3V, 2A), charging circuit, battery switch
RTC	PCF85063 real-time clock chip with alarm/wake-up support
Item Type:	Smart Speaker Module
Model No. / Name:	ESP32-S3
Memory Capacity	8MB PSRAM, 16MB Flash
MCU Type	ESP32-S3 dual-core Xtensa LX7 CPU, up to 240 MHz
Display:	SPI LCD interface (compatible with external displays)
Length (mm):	58
Width (mm):	58
Weight (g):	90
Shipping Weight	0.13 kg
Shipping Dimensions	11 × 8 × 7 cm