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.
Traveling-Type Air Flotation Skimmer and Foam Remover, Reciprocating Fully Automatic Oil Skimming and Floating Debris Removal Machine
$5,159.00
Language of Drums Motion Path Set Drum Creativity Essence Rhythm Drum Kit Teaching Material Jazz Drum
$59.17
1.9m Wide-Format Sublimation Printer for Pillows, Garments, and Fabric Digital Printing
$600.00
Automatic Retractable Air Hose Reel - Pneumatic Shrinking Hose Drum Combo for Auto Repair (Air, Electric, Water) - National Standard
$228.00
Marie's Paper Blending Stumps Thickened Xuan Paper Blending Stumps Marie's Student Sketch Set Blending Stumps Rubbing Cotton Painting Special Paper Blending Stumps Smudging Pens Art Supplies Xuan Paper Sketch Fixative
$5.09
Inner Mongolia Milk Skin Processing Equipment - Condensed Milk and Butter Production Line, Fully Automatic Cheese Making Machine
$13,580.00
Yijiayi Plastic Surgery - Hair Follicle Analysis to Assess Growth, Prevent Hair Loss, and Plan Transplants
$10.00
Hell Training Rock Guitar by Shinichi Kobayashi - Electric Guitar Speed Playing Tutorial
$106.00
Mai Da Chu Commercial Food Warmer Cabinet, Large-Capacity Constant-Temperature Heating Cart for Banquets, Hotels, and Kitchens
$8,165.00
Children's Activity Appliance Storage Box - Case for Braces, Underbite Correctors, Expanders, and Denture Cleaning
$16.80
Stainless Steel Cable Raceway Arc-Shaped Anti-Step Floor Metal Surface Mount Decorative Invisible Wire Channel
$2.50
Electric Watercolor Spray Pen Children Hand-painted Color Pa
$46.55
408 Fast-Drying Glue - Strong Low-Whitening Instant Adhesive for Metal and Plastic, Heat Resistant
$53.12
UE5.1-5.7 Ancient Sci-Fi Gate Model Instrument Consultation
$2.00
Biliansheng Hair Transplant - Non-Shave Female Hairline Restoration & Density Enhancement
$19,999.00
Water Brush Pen Set Large Capacity Beginner Gouache Solid Watercolor Paint Brush Tools Line Drawing Art Student
$32.00
Beginner Watercolor Painting Line Art Coloring Book, Hua Meng Lv Ren by Stan, Fine Texture, 2-Pack Free Shipping
$10.60
New Wanli Tire 265/45R21 SU306+ - Compatible with AITO M7, BYD Tang, Range Rover, Li Auto, and NIO
$528.00
Suzhou Factory Wholesale Chain Store Logo - RGB Illuminated Letters, Acrylic Neon Signs for Window and Counter Display
$1,911.00
RoHS 1.0 Environmental Tester for Alloy Analysis and Heavy Metal Detection in Plastic Toys
$15.30
Mont Marte Long-Handle Bristle Brush – Professional Art Brush for Acrylics, Oil Painting, and Flat Wash Techniques
$37,500.00
Portable Plastic Backpack Fertilizer Bucket for Manual Fruit Picking, Seed Feeding, and PPC Fertilization
$9.50
Chinese-Style Hand-Drawn Plant Line Art Coloring Book on 100% Cotton Watercolor Paper
$15.80
Eagle Brand 99021 Industrial Scouring Pads, Cleaning Cloths, and Polishing Pads Supply
$666.00
Pad Printing Machine Parts - Zhongke 4-Inch Blade Clamp, Blade Holder, and Doctor Blade Frame (In Stock)
$4.50
Pneumatic Throttle Valve Quick Connect Fitting SL4-01/4-02/4-03 Air Pressure Regulator Flow Control Valve
$8.60
Pad Printing Silicone Rubber Heads Electric Long Round Square Durable Customizable 30-Year Established Store
$3.00
Specialized Vegetable Growing Box - Foam Balcony Planter, Rectangular Plastic Pot for Home Gardening
$41.70
Candy Naoko Gujima Mr. Saxophone City Pop Sheet Music with Accompaniment Demo
$37.00
Multi-Color Detachable Water Bucket Stand - Office Purified Water Dispenser Holder (Inverted)
$60.95
![[Youxin Electronics] GP2Y0E03 Infrared Distance Sensor Module 4-50cm Range](https://www.gosteppe.com/cache/medium/product/74667/legacy-main-4da8cadc5fc82afe91b124e3.webp)
![[Trial Pack] Xianlang Complete Cat Treat Sticks Meal Packs Main Course Cans Freeze-Dried Cat Food Sample Snacks Gift Set](https://www.gosteppe.com/cache/medium/product/208273/legacy-main-9ec245ebf781f65a434ba854.webp)
