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.
Chushinmi - Silicone Collapsible Dish Drying Rack, Kitchen Organizer, Sink Utensil Holder for Bowls and Chopsticks
$61.90
Wenxin Tang Ultra-Clear Zhi Yong Thousand Character Classic Regular Script Calligraphy Cards - Boxed Practice Sheets for Medium-Sized Brush Writing
$40.80
Cute Pig Pot Lid Holder and Drainage Mat, Multi-Function Heat Insulator and Cutting Board Rest
$2.01
![[Damai Micro-Needle Hair Transplant Patent] Top Scalp Thinning Treatment | High-Density 200 Grafts Micro-Needle Transplant](https://www.gosteppe.com/cache/small/product/269847/legacy-main-921c5365abd34b2597668ec5.webp)
[Damai Micro-Needle Hair Transplant Patent] Top Scalp Thinning Treatment | High-Density 200 Grafts Micro-Needle Transplant
$199.00
Song Dynasty Guo Xi's 'Traveling in Snowy Mountains' Hanging Scroll - Study Copy Template, Art Core, Landscape Painting, Zen Decorative Art, HD Collectible
$12.80
Drain Basket for Wet/Dry Separation with Hanging Vegetable Strainer Rack
$111,978.00
Custom Mesh Lid Organizer Bag for Pelican 1535 Case - Laptop Compartment
$118.70
Home LED High-Power Rechargeable Flashlight, Multi-Purpose Long-Range Portable Ultra-Bright Mini Torch
$20.60
Accsoon CineEye M7 Pro 4K Wireless Video Transmitter and Monitor with 7-inch HDMI/SDI Dual-Transmission Screen
$99.00
Stainless Steel Sink Rack Kitchen Organizer Over-Sink Dish Drying Rack with Utensil Holder
$48.00
Specialized Vegetable Growing Box - Foam Balcony Planter, Rectangular Plastic Pot for Home Gardening
$41.70
Thickened Resin Vegetable Planter Box - Rectangular Plastic Balcony Pot for Growing Vegetables and Flowers
$101.00
SEATOSUMMIT Outdoor Travel Portable Waterproof First Aid Kit Wilderness Survival Personal Medical Folding Storage Bag
$79.00
Commercial Gas Storage Water Heater, Condensing Low-NOx Boiler, Fully Automatic Natural Gas Hot Water Furnace for Hotels
$13,175.00
SH1.0/1.25/ZH1.5/PH2.0XH2.54 Electronic Wire Connector Terminal Cable 2P-12P
$0.04
VFD Capacitor ALS30A1363KJ/ALS30C1024NP/ALS30C1023NP
$500.00
200X18DNNmm L Shape Stainless Stel Corern Brace Repeair Ang
$88.28
Quilling Paper Set Gradient Color Tool Kit Handmade Quilling Strips Basic Packaging for Fine Line Coloring
$38.00
Standard Ou Kai Calligraphy Beginner's Sun Tzu's Art of War & Thirty-Six Stratagems Small Regular Script Brush Copybook Xuan Paper Long Scroll for Tracing
$18.00
Mold Release Oil for Incense Beads and Tags - Colorless, Odorless, Food-Grade Auxiliary Release Agent
$8.00
Tafara Aromatherapy Matches - Premium Extended-Length Safety Matches for Incense Burners (20 Count)
$23.80
Magnetic Sponge Holder and Steel Wool Rack for Sink, Stainless Steel No-Drill Kitchen Organizer
$9.94
Touchmark Square Sketchbook for Acrylic Markers - Thick Paper Art Journal for Quick-Dry, Smudge-Free Drawing
$10.80
Mo Hao Detail Brush Set, Goat Hair Liner, Wolf Hair Round/Flat Brushes for Oil Painting, Art & Gouache
$78.00
Authentic Military-style Socks for Men - Summer and Winter Anti-odor Sweat-absorbing Mid-calf Black and Navy Blue Training and Sports Socks
$23.80
Alliance Authorized Plaque - Yoga Alliance RYT, Pilates Alliance, International Yoga Alliance, China Yoga Alliance
$380.00
Xiupu Fraycolor Marker Airbrush Kit for Figure Model Painting Portable Rechargeable Airbrush and Pump Set
$127.00
Caoyige Thickened Felt Calligraphy Mat with Bound Edges - Ideal for Students and Beginners Practicing Brush Writing
$4.93
Colored Paper Signing Board CP Autograph Panel Japanese Anime Drawing Paper Watercolor Paper Square Blank Signature Card for Markers Anime OC Hand-Drawn Cards
$10.80
Water Brush Pen Set Large Capacity Beginner Gouache Solid Watercolor Paint Brush Tools Line Drawing Art Student Supplies
$32.00
![[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)
