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.
Outes Air Energy Water Heater for Home Heating, Inverter Floor Heating & Central AC All-in-One Unit
$18,000.00
2025 Limited Edition Colorful Mesh Tofu Bag - Ultra-Light Breathable Multi-Purpose Storage Pouch
$11.90
Liupintang Calligraphy Felt Mat – Traditional Chinese Style Cultural Creative Painted Desk Pad for Brush Writing, Practice, and Ink Painting
$19.30
Shengneng Commercial Air Source Heat Pump Host KFXRS-40â…¡
$45,000.00
Yiyi Electric Pad Printing Ink Cups (150/175/300/380) - Magnetic Doctor Blade Ink Wells for Coding Machines
$68.00
ML-150 Standard Material Leveling Machine - Economical and Practical Model
$11,780.00
3-in-1 Multi-Function Paint Brush Washer with Palette Compartments for Art Students
$5.02
Silicone Dental Retainer Case - Portable Storage Box for Orthodontic Aligners & Dentures
$19.30
Natural Crystal Raw Stone Aroma Diffuser Ornament Rose Quartz Crushed Stone Rough Ore Home Flameless Aromatherapy Healing Gift
$3.90
Blue Scale Line Printing Machine Pad with Ruler Markings for Water-Based Ink Printing
$80.00
Sponge Drain Rack for Kitchen Countertop - No-Drill Sink Organizer for Cloths and Narrow Edge Faucet Storage
$5.80
Kids' Art Round Sponge Stamp Brush for Kindergarten DIY Crafts, Mushroom Head Painting Tool
$3.59
Caiyan Art Blending Stumps for Oil Pastels and Sketching – Washable EVA Tips for Smooth Color Transition; Non-Staining, Ideal for Art Students
$6.50
Paper Blending Stump Set for Sketching, Oil Pastels, and Highlighting – Ultra Soft
$3.83
Tire Stone Removal Hook with Built-in Screwdriver - Multi-Function Tool for Tire Cleaning, Window Breaking, and Self-Defense
$8.90
Blower Motor Compatible with Hummer H3, Hummer H2, and Cadillac Escalade
$340.00
Custom Fertilizer Integration Machine for Agriculture and Landscaping - Smart Quantitative Mobile Filtration System
$1,960.00
High-Speed Cell Sieve with Handle - Stainless Steel Laboratory Sieves (100, 200, 300, 400, 600 Mesh)
$61.74
Stainless Steel Food Warmer for Hotels and Breakfast Buffets - Commercial Flip-Top Chafing Dish with Insulation; Compatible with Induction Cookers
$1,288.00
Marie's Blending Stumps Set for Sketching and Shading, Professional Art Supplies for Students
$2.55
National Standard JB/ZQ4606-86 Felt Oil Seal Ring - Bearing Oil Absorption, Dustproof, Industrial Wool Felt Gasket Strip
$0.50
Qingzhu Sketching Eraser Knife and Paper Stump Tool Set for Art Students - Includes Replacement Tips, Gray Surface Pens, Makeup Sponge Blenders, Cotton Swabs, Foam Balls, Soft Blending Pens, Precision Insert Knives, and Sketch Eraser Balls
$7.20
4-Leg Chain Rigging Set - Alloy Steel Lifting Tool (1-200 Tons) with Multi-Leg Electromagnetic Chuck
$52.50
Commercial 1.8/2.2m Food Warmer Cabinet for Fried Chicken and Burger Shops, French Fry Heating Unit, 1.5m Two-Way Pickup Display Case
$3,573.50
Commercial Electric Heated Stainless Steel Fast Food Serving Counter Soup Warmer Buffet Cart
$842.00
Natural Crystal White Azeztulite Loose Beads with Rainbow Luster for DIY Necklaces, Bracelets, and Jewelry Making
$5.54
Ai Zao Fang Six-Cavity Oval Totem Handmade Soap Silicone Mold - Yields Approx. 115g per Bar
$17.70
Zunjue Wire-Bound 8K Watercolor Notebook 300g Watercolor Sketchbook Loose-Leaf Portable 16K Water-Soluble Colored Pencil Notebook Coil-Bound 32K Medium Coarse Fine Grain 200g Kids Students A4 Watercolor Notebook Plein Air Sketch Drawing Book
$7.65
Yuan Dynasty Calligraphy by Zhao Mengfu - Small Regular Script Diamond Sutra Brush Tracing Long Scroll Copybook, Original Version, Wholesale and Customization Available
$15.00
Kodak Photo Printing Service - High-Definition Prints from Your Phone with Lamination and Album Binding
$12.47
![[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)
