Description
Reviews
| Brand | - |
| Category | Robotics / STEM Teaching Tools / Development, Learning, Evaluation & Industrial Control Boards |
| Origin | - |
| Microcontroller | ESP32-S3 |
| Flash Memory | 16MB (N16) |
| PSRAM | 8MB (R8) |
| Connectivity | Wi-Fi 2.4GHz, Bluetooth 5 (LE) |
| AI Acceleration | Vector Instructions for NN |
| USB Interface | Native USB OTG |
| GPIO Pins | 45 Programmable GPIOs |
| Operating Voltage | 3.3V |
| Dimensions | 54mm x 28mm x 12mm |
| Compatibility | Arduino IDE, ESP-IDF, MicroPython |
Anonymous
Mar 24, 2026
Rating: 5/5
Superb Audio Processing Capabilities
The I2S interface works flawlessly with external MEMS mics. Low noise floor and the processing power is sufficient for real-time voice recognition tasks.
Anonymous
Mar 23, 2026
Rating: 5/5
Perfect for AI Voice Projects
This board is exactly what I needed for my Xiaozhi voice assistant project. The 8MB PSRAM handles the audio buffering smoothly without lag. Setup with ESP-IDF was straightforward.
Anonymous
Mar 21, 2026
Rating: 4/5
Good for learning IoT
I used this for my university final year project. It connected to AWS IoT Core without issues. Only wish it came with a case, but the board quality is top-notch.
Anonymous
Mar 11, 2026
Rating: 5/5
Fast and Reliable
Running complex neural network inference locally is surprisingly fast on this chip. The vector instructions really make a difference for edge AI applications.
Anonymous
Mar 10, 2026
Rating: 4/5
Great specs, minor documentation gaps
The hardware is solid and the Wi-Fi range is impressive. However, specific pinout diagrams for the AI microphone interface could be clearer. Still, highly recommended for experienced users.
Anonymous
Mar 10, 2026
Rating: 5/5
Excellent value for money
Compared to other dev boards with similar RAM and Flash, this is a steal. The native USB support makes debugging much easier than older ESP32 models.
Q: Can I power this directly via the USB-C port?
A: Yes, you can power the board directly through the USB-C port using a standard 5V supply. The onboard regulator handles the conversion to 3.3V.
Q: Is the antenna external or internal?
A: This model features an onboard PCB antenna. There is also a connector option for an external antenna if you require extended range, depending on the specific sub-model.
Q: Does it support camera modules?
A: Yes, the ESP32-S3 supports DVP camera interfaces. You can connect compatible OV2640 or OV5640 modules for computer vision projects alongside the AI dialogue features.
Q: Does this board support MicroPython out of the box?
A: The board hardware is fully compatible with MicroPython, but you will need to flash the firmware yourself using esptool. It does not come pre-flashed.
Q: What is the maximum current this board can supply via the 3.3V pin?
A: We recommend drawing no more than 500mA from the 3.3V pin to ensure stable operation, especially when Wi-Fi is transmitting.
Marco Sketchbook - 8K Sketch Paper, 16K Colored Pencil Paper, A4 Marker Paper for Art Students and Kids
$9.30
Economic Pasteurization Machine, Commercial Pasteurization Tank, Small Dairy Processing Equipment, Direct from Manufacturer
$3,430.00
Authentic Cat PAI Little Companion Daily Blind Box Figurine, Cute Siamese Cat Desktop Pet, Action Figure Birthday Gift
$8.41
CANDLE.LAB | Non-Bleeding, Non-Seeping DIY Scented Candle Solid Thread Pigment - Fluorescent Dye Colors
$12.80
Small-Scale Yogurt Production Line, Pasteurized Milk Processing Equipment, Yogurt Sterilization and Fermentation Tank
$1,260.00
Blue Field Outdoor Lightweight Wear-Resistant Waterproof Dry Bag for Rafting and Stream Trekking, Storage Pouch for Miscellaneous Items, 10L/20L/40L/70L
$14.00
![[All-Inclusive Flat Rate] Single Imported Dental Implant | Includes Free Cleaning, Abutment, Fixture, and Crown](https://www.gosteppe.com/cache/small/product/268875/legacy-main-9f3e40fd1d280ff9fe710fa3.webp)
[All-Inclusive Flat Rate] Single Imported Dental Implant | Includes Free Cleaning, Abutment, Fixture, and Crown
$1,800.00
Acrylic Markers for Kids, Washable Art Watercolor Pens for Elementary Students, Opaque and Layerable, Direct Liquid Ink Core
$19.90
304 Stainless Steel Chain - Long/Short Link Lifting Chain, Hoist Chain, Clothesline, Swing, Pet Chain, Anti-Theft Chain
$1.53
Face Towel Storage Box for Disposable Cleansing Tissues and Cotton Pads, Wall-Mounted Bathroom Organizer
$19.90
France Arches Watercolor Paper Handmade 100% Cotton Artist Grade Sample Sheets Loose Paper 300G 640G Full Sheet Half Sheet 4K 8K 16K Medium and Rough Texture Watercolor Paint Paper
$20.80
Premium Ceramic Tea Canister Gift Box – Empty Packaging for Black, Pu'er, White, and Biluochun Tea
$121.00
Rechargeable Gen 2 Personal Air Purifier with Auto Fan for Travel, Commute, and Flights
$145.00
Roast Duck Warmer Cabinet, Constant Temperature Box, Commercial Crispy Pork Belly Hanging Duck Cabinet, Roasted Chicken and Cooked Food Display Warmer
$318.00
Guangda Dental | Straumann Implant Services for Missing Teeth Restoration (Foshan Branch Only)
$2,052.00
Painted Wooden Colored Pencils Set with Gold Powder, Creative Engineering Pencils for Gongbi Coloring, Basic Packaging
$11.12
South Korea Dentium Dental Implant Abutment with Full Ceramic Crown for Missing Tooth Restoration
$1,980.00
Balloon Warm Star Pre-order Unspoken Words Phase 3 17 Years Old Little Bean 'Chance Encounter' Series Merchandise
$22.00
Tissue Holder Magnetic Punch-free for Mirror Cabinets
$5.73
Industrial Scouring Pad Roll – Abrasive Brushed Cloth for Stainless Steel Polishing and Finishing
$20.00
DIY Aromatherapy Candle Wax Melting Cup – Stainless Steel Handle Heating Pot with Multi-Size Measuring Spoons and Color Mixing Cup
$5.78
7-Piece Square Pot Set B with Tray, Plastic Colorful Succulent Pots, Simple and Durable Design for Root Explosion and Control, White Square Pots
$53.00
Multi-Layer Over-Toilet Storage Rack, Floor-Standing Laundry Organizer for Bathroom, Balcony, No-Drill Installation
$31.42
Feiyue Car Tires: Sizes 205, 195, 215, 255; Longteng Series 45, 50, 25, 65, 60R16, 17 Rim 8
$485.00
2 Pieces Free Shipping Outdoor Rafting Creek Swimming Gear Dustproof Waterproof Bag Wearable or Handheld Ultra-Light Storage Sack
$8.50
![[Dental Implant Chief Specialist] Implant Examination and Treatment Planning](https://www.gosteppe.com/cache/small/product/268856/legacy-main-c23225af0fb2c31bbd4f46a1.png)
[Dental Implant Chief Specialist] Implant Examination and Treatment Planning
$9.90
Wall-Mounted Toilet Storage Rack - No-Drill Bathroom Shelf Organizer for Above the Toilet
$26.07
New Wireless Car Vacuum Cleaner, High Suction Home Use, Compact Handheld Silent High-Power Vacuum
$114.00
Electric Watercolor Spray Pen Children Hand-painted Color Pa
$47.55
Cement-Specific Pigment Powder for DIY Crafts, Gypsum Dye for Creative Flower Pot Coloring
$3.83
![[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)
