Description
Reviews
| Brand | - |
| Category | Robotics / STEM Teaching Tools / Development, Learning, Evaluation & Industrial Control Boards |
| Origin | - |
| Processor | ESP32-S3-WROOM-1-N16R8 (Dual-core Xtensa LX7, up to 240 MHz) |
| Audio Codec | ES8311 I2S Audio Codec with Headphone Amplifier |
| Microphones | Dual Digital MEMS Microphones (INMP441) for Noise Cancellation |
| Lighting | Onboard WS2812B RGB LED Ring (8 LEDs) |
| Connectivity | Wi-Fi 2.4 GHz (802.11 b/g/n) and Bluetooth 5 (LE) |
| Storage | 16MB Flash and 8MB PSRAM |
| Interfaces | USB Type-C, I2C, SPI, UART, GPIOs, ADC, DAC |
| Power Supply | 5V via USB or Li-Po Battery Connector (with Charging Circuit) |
| Dimensions | 65mm x 55mm x 18mm |
| Supported Frameworks | ESP-IDF, Arduino Core, MicroPython, CircuitPython |
Anonymous
Mar 22, 2026
Rating: 4/5
Solid Dev Board with Minor Quirks
Overall a fantastic board. The RGB lighting effects are smooth and easy to program. My only minor complaint is that the headphone jack volume maxes out a bit lower than I'd like for driving high-impedance headphones, but it's perfect for standard earbuds or small speakers.
Anonymous
Mar 14, 2026
Rating: 5/5
Best ESP32-S3 Audio Board Yet
I've tried several similar boards, and this one offers the best balance of features and price. The PSRAM size allows for more complex audio buffering, which reduces latency in voice processing. The community support is growing fast, making troubleshooting easy.
Anonymous
Mar 14, 2026
Rating: 4/5
Great Hardware, Documentation Could Be Better
The hardware quality is top-notch as expected from Waveshare. The audio output is clear, and the microphone array picks up voice commands accurately. However, finding specific pinout diagrams for the I2S connection took some digging in the wiki. Once set up, it runs flawlessly.
Anonymous
Mar 09, 2026
Rating: 5/5
Robust Noise Cancellation
We tested this in a noisy workshop environment, and the echo cancellation features performed impressively. It successfully filtered out machinery noise while capturing voice commands. Highly recommended for industrial prototyping where audio clarity is critical.
Anonymous
Mar 07, 2026
Rating: 5/5
Perfect for AI Voice Projects
This board is exactly what I needed for my home automation voice assistant project. The dual-mic noise cancellation works surprisingly well even with background music playing. Setting up the ESP-IDF was straightforward, and the RGB ring adds a nice visual feedback element.
Anonymous
Mar 01, 2026
Rating: 5/5
Excellent Value for Learning
As someone new to embedded AI, this board made getting started with voice recognition much easier. The pre-loaded examples helped me understand how to integrate Alexa or Google Assistant logic. The build quality feels solid, and the USB-C port is a welcome addition.
Q: Is the microphone array compatible with Amazon Alexa AVS?
A: The hardware is compatible, but you will need to implement the Alexa Voice Service client software yourself or use a supported middleware, as the board does not come with pre-flashed Alexa firmware due to licensing.
Q: Can I power this board directly with a 3.7V Li-Po battery?
A: Yes, there is a dedicated JST connector for Li-Po batteries. The board includes a charging circuit, so you can charge the battery via the USB-C port while connected.
Q: What is the maximum resolution for the RGB LEDs?
A: The board features an 8-LED WS2812B ring. Each LED supports 24-bit color (16 million colors), allowing for complex animations and status indicators controlled via GPIO.
Q: Does this board support offline voice recognition?
A: Yes, the ESP32-S3 chip has sufficient processing power and PSRAM to run lightweight offline voice recognition models using frameworks like ESP-SR or third-party libraries.
Q: Does it come with a case or enclosure?
A: No, this product is a raw development board intended for integration into custom projects or prototyping. You may need to design a 3D printed case or purchase a separate acrylic shell if available from third parties.
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