Description
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
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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 Resource
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ESP32-S3R8
dual-core processor, up to 240MHz operating frequency -
TCA9555PWR
GPIO expander chip - PCF85063 RTC chip
- Buttons
- USB Type-C port
-
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) - Battery switch
-
18PIN display interface
for connecting to displays with corresponding pinout -
Camera interface
for connecting to cameras with corresponding pinout - TF card slot
- Microphones
-
PIN header
Compatible with display interface I/O pins -
IPEX1 connector
for connecting external antenna, enabled via resoldering an onboard resistor - Onboard ceramic antenna
- Amplifier chip
- ES8311 chip
- 16MB flash
-
RTC battery header
for connecting rechargeable RTC battery - ES7210 chip
-
MP1605GTF-Z
power module, supports up to 3.3V 2A output - Battery recharge manager
- 7x surround RGB LEDs
-
MX1.25 battery header
MX1.25 2PIN connector, for 3.7V Lithium battery, supports charging and discharging - Speaker header