Description
Reviews
| Brand | - |
| Category | Robotics / STEM Teaching Tools / Development, Learning, Evaluation & Industrial Control Boards |
| Origin | - |
| Processor | ESP32-S3 Dual-core Xtensa LX7 MCU |
| Wireless Connectivity | Wi-Fi 802.11b/g/n and Bluetooth 5 (LE) |
| Audio Codec | ES8311 Mono Audio Codec with Headphone Amp |
| Microphones | 2x Digital MEMS Microphones (I2S Interface) |
| Speaker Output | 3W Mono Speaker Driver Support |
| Display Interface | MIPI-CSI Camera & LCD Interface Support |
| Flash Memory | 16MB Quad SPI Flash |
| PSRAM | 8MB Octal SPI PSRAM |
| Power Supply | 5V via USB-C or Battery Input |
| AI Capabilities | Hardware Accelerated Neural Network Instructions |
Anonymous
Mar 25, 2026
Rating: 5/5
Excellent for Edge AI
The neural network acceleration on the S3 chip is a game changer. I managed to run a keyword spotting model with very low latency. The 8MB PSRAM is sufficient for most buffer-heavy audio applications.
Anonymous
Mar 22, 2026
Rating: 4/5
Good for learning embedded systems
Bought this for my university final year project. It handles audio streaming well. The only downside is that the header pins were not pre-soldered, so I had to do that myself before starting.
Anonymous
Mar 14, 2026
Rating: 4/5
Great hardware, documentation could be better
The hardware quality is excellent, especially the audio codec performance. However, finding specific pinout diagrams for the camera interface took some digging in the forums. Once set up, it runs machine learning models very efficiently.
Anonymous
Mar 11, 2026
Rating: 5/5
Perfect for Voice AI Projects
This board is exactly what I needed for my XiaoZhi AI assistant project. The dual microphones pick up voice commands clearly even with background noise, and the Wi-Fi connection is stable. Setup with the ESP-IDF was straightforward.
Anonymous
Mar 05, 2026
Rating: 5/5
Best value for ESP32-S3 audio boards
I've tried several development boards, and this Korvo V3 offers the best balance of price and features. The Bluetooth LE connectivity works flawlessly with my mobile app tests. Highly recommended for prototyping smart speakers.
Anonymous
Mar 02, 2026
Rating: 5/5
Clean audio output
Impressed by the signal-to-noise ratio on the microphone inputs. The ES8311 codec drives my test speaker with surprising clarity. Great board for anyone getting into voice recognition development.
Q: What development environments are compatible with this board?
A: This board is fully compatible with ESP-IDF (C/C++), Arduino IDE, MicroPython, and CircuitPython. It is also supported by third-party platforms like PlatformIO.
Q: Does it support multi-room audio synchronization?
A: While the hardware supports Wi-Fi and Bluetooth necessary for synchronization, implementing multi-room audio requires custom software logic or specific third-party frameworks; it is not a built-in out-of-the-box feature.
Q: Does this board support external camera modules for video processing?
A: Yes, the ESP32-S3-Korvo-2 V3 features a MIPI-CSI interface that supports various OV series camera modules, enabling basic video capture and processing capabilities alongside audio.
Q: Is the XiaoZhi AI firmware pre-installed on the board?
A: No, the board ships with a basic bootloader. You will need to flash the XiaoZhi AI firmware or your own custom code using the ESP Flash Download Tool or VS Code with the ESP-IDF extension.
Q: Can I power this board directly via a Li-Ion battery?
A: Yes, there is a dedicated battery connector on the board that supports single-cell Li-Ion/Li-Po batteries. The board includes charging circuitry when powered via USB-C.
Marie's Sketch Blending Knife Set for Highlights, Shadows, and Quick Sketches - Professional Art Student Smudging Tools with Sponge Blenders, Paper Stumps, and Full Correction Kit for Drawing and Tracing
$9.25
Meiao Dental Imported Implant Package: Swiss ITI Straumann Implant Abutment and Prosthetic Teeth
$5,955.00
Bottled Water Faucet Stand, Large Water Jug Dispenser Rack, Pure Water Bucket Holder with Inverted Drinking Cover
$7.13
Dust Extraction Sanding Table - Industrial Pulse Cartridge Collector for Polishing, Stone, and Woodworking Dust
$600.00
Diamond Tire 255/45R20
$518.00
Amusement Park Suspension Bridge - 15m/20m/25m/30m Viral Swing Bridge with Iron and Steel Chains
$58.00
Paint Spray Catalytic Combustion Equipment - Industrial Exhaust Gas Treatment Device - Activated Carbon Adsorption/Desorption CO Catalytic Combustion
$324,999.00
Car Wheel Tire Bolt Rust-Proof Cap Universal Size 17 19 21 Decorative Dust-Proof Protective Cap Cover
$15.70
Commercial Electric Vegetable Slicer - Multi-Function Stainless Steel Machine for Potatoes and Canteens
$2,017.28
Irregular Ticket Stub Watercolor Paper Stamp Blank Drawing Paper 300g Cotton Pulp Fine Texture Thickened with Serrated Edges Specialized Paper for Art Students
$5.60
Stainless Steel Electric Buffet Warmer with Visible Lid - Square Flip-Top Chafing Dish for Hotels
$251.70
Baohong Cotton Pulp Watercolor Paper Pad 300g Cold/Hot Press, Glued on Four Sides, 16K/8K - Premium Full Cotton Art Paper for Oil Pastels and Professional Artists (Baoding, China)
$17.00
ORDER Industrial Large Roll Wiper Paper Dispenser, TORK Multi-Convenience Roll Stand
$170.00
Lifting Chain Slings Manufacturer, MHU Lifting Gear, G80 Manganese Steel Hoisting Chains, Single and Double Leg Sets
$835.00
Multi-Function Bathroom Storage Rack for Toilet, Washroom, and Sanitary Supplies, Over-Toilet Home Organizer
$20.30
Portable Travel Art Set for Kids - Watercolor Paint Box with Sketchbook and Mini Drawing Board
$9.05
Pneumatic Fitting PU Straight Connector Quick-Insert Plastic High-Pressure Air Hose Fitting PU-4681012
$4.90
Chain Sling Lifting Shackle Steel Chain Single Leg with Hooks on Both Ends for Towing, 2m Length, 5 Ton Capacity
$79.00
Large Brush Set Supply - Watercolor Pen Set for Children's Day Painting, Art, and Coloring
$25.55
Non-Bleeding Liquid Candle Dye - Macaron Colors for Soy Wax DIY Aromatherapy Candles
$21.00
Alloy Wheel Lug Nut Caps Compatible with Buick Excelle, Verano, Regal, LaCrosse, Encore, Cruze, Malibu, and GL8
$3.40
![[Damai Holds Micro-Needle Hair Transplant Patent] AI Robot Precision Hair Transplant | 1000 Units Hairline Planting](https://www.gosteppe.com/cache/small/product/269438/legacy-main-d695e1be3b1b8212f24ac863.webp)
[Damai Holds Micro-Needle Hair Transplant Patent] AI Robot Precision Hair Transplant | 1000 Units Hairline Planting
$24,990.00
Premium Ceramic Tea Canister Packaging Box, Empty Gift Box for Black Tea, Pu'er, White Tea, Biluochun, Gift Set Empty Box
$104.95
Thickened 304 Stainless Steel Planter Box for Home Balcony Vegetable Gardening - Rectangular Large Flower Pot for Rooftop Planting
$204.00
Zhongheng Car Tire Stone Hook - Multi-Function Tire Cleaner Tool to Prevent Blowouts
$7.14
JoanMiro 3D Printing Pen for Kids, Low-Temperature 3D Stereoscopic Drawing Toy, Perfect Gift for Boys and Girls on Children's Day
$29.90
Stainless Steel Tire Stone Removal Hook - Multi-Function Car Tire Cleaning Tool for Picking and Scraping Stones
$5.03
Cart Cover Rice Husk Charcoal Premium Plant Ash Grain Shell Carbon Natural Organic Fertilizer for Vegetables Succulents and Flowers
$6.55
Aojilong Automotive Plastic Restorer – Revives Black Trim, Repairs Aging, Crystal Coating Finish
$28.80
Hotel Meat Warmer Lamp - Buffet Heating Light for Cafeterias and Restaurants
$5,989.00
![[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)
