Description
Reviews
| Brand | - |
| Category | Robotics / STEM Teaching Tools / Development, Learning, Evaluation & Industrial Control Boards |
| Origin | - |
| Processor | ESP32-S3N16R8 Dual-core Xtensa LX7 |
| Flash Memory | 16 MB Quad SPI |
| PSRAM | 8 MB Octal SPI |
| Connectivity | Wi-Fi 2.4 GHz and Bluetooth 5 (LE) |
| Audio Interface | I2S, PDM Microphone Support, DAC |
| Display Interface | RGB LCD / MIPI DSI Support |
| Power Supply | 5V via USB-C or 3.3V LDO |
| AI Acceleration | Vector Instructions for Neural Networks |
| GPIO Pins | 45 Programmable GPIOs |
| Dimensions | 55mm x 25mm x 12mm |
Anonymous
Mar 28, 2026
Rating: 5/5
Ideal for learning embedded AI
As a student, this board made it easy to get started with TinyML. The community support is growing, and it works seamlessly with the Arduino IDE and ESP-IDF.
Anonymous
Mar 14, 2026
Rating: 5/5
Excellent performance per dollar
I've tested several development boards, and this one offers the best balance of memory, speed, and connectivity for human-computer dialogue applications. Highly recommended.
Anonymous
Mar 11, 2026
Rating: 5/5
Fast shipping and great product
Arrived quickly and well-packaged. The board powers up instantly and the USB-C port makes debugging very convenient. Will buy more for my team.
Anonymous
Mar 06, 2026
Rating: 4/5
Great hardware, documentation could be better
The build quality is solid and the WiFi connection is stable. However, finding specific pinout diagrams for the audio codec took some digging. Overall, a great value for the price.
Anonymous
Mar 06, 2026
Rating: 4/5
Solid choice for prototypes
Used this for a rapid prototype of a voice-controlled lamp. The setup was straightforward, though the onboard microphone sensitivity required some software tuning.
Anonymous
Mar 01, 2026
Rating: 5/5
Perfect for Voice AI Projects
This board is exactly what I needed for my smart home voice assistant project. The ESP32-S3 chip handles audio processing smoothly, and the 8MB PSRAM is a huge plus for running local models.
Q: Does this board come with a pre-installed operating system?
A: No, the board comes bare. You need to flash your own firmware using ESP-IDF, Arduino IDE, or other supported frameworks.
Q: Can I connect a standard USB microphone directly to this board?
A: This board primarily supports I2S and PDM microphones via GPIO pins. A standard USB microphone would require an additional USB host shield or adapter.
Q: Is there a JTAG header available for debugging?
A: Yes, the board exposes JTAG pins on the header, allowing for advanced debugging using tools like OpenOCD and a compatible probe.
Q: Is the 16MB flash sufficient for storing multiple language models?
A: For small to medium-sized quantized models, yes. For larger models, you may need to utilize the SD card slot or stream data over WiFi.
Q: What voltage should I use if powering via the VIN pin?
A: Please supply 5V DC to the VIN pin. The onboard regulator will step it down to 3.3V for the ESP32-S3 chip.
Adjustable Over-Toilet Storage Rack for Bathroom Floor Standing Space Saving Organizer
$147.20
Flake Soy Wax & White Bees Wax Pellets – DIY Cup Candle Making Kit with Strawberry Scented Mold and Raw Materials
$5.34
Manufacturer Supply FF High-Speed Dispersing Kettle - Stainless Steel Reactor for Paint, Ink, and Chemical Mixing Equipment
$9,104.80
Mia Bouncy Sketch Blending Cotton Sponge Ball Paper Stump Water-Absorbent Sponge New Art Tool Washable Magic Cotton for Students
$4.80
Yucheng 1606 Fast-Drying Acrylic Adhesive - Odorless, Non-Whitening Glue for Acrylic Bonding
$21.20
Magnetic Storage Shelf Cute Building Block Magnetic Organizer Box Refrigerator Decorative Sticker Cling Film Holder Wall-Mounted Fridge Magnet
$3.80
Commercial Countertop Fried Chicken Warmer Cabinet Hamburger Egg Tart Heating Constant Temperature Box Multi-Function Insulated Display Case for Fried Foods
$620.00
Rectangular Silicone Mold for DIY Handmade Soap
$16.80
Leqin 495 Super Glue - 20g Transparent Fast-Drying Adhesive for Hard Plastics, Metal, Wood, PVC, and Rubber
$25.84
New Chinese Style Zen Calligraphy Felt Mat, Non-Slip Desk Pad for Traditional Writing Tools
$16.50
LB-8001 Inline Water Sampler - Mixed Water Sample Retention Instrument
$10,312.16
Mont Marte Children's Paint Brush Set - Toddler Tempera and Watercolor Brushes, Beginner Fan Brushes, Graffiti Tools
$7.00
Alumina Hollow Sphere Bricks, Castables, High-Temperature Mullite Bricks, High-Alumina Lightweight Insulating Bricks
$124.53
Natural Crystal Lemon Yellow Azeztulite Round Beads for DIY Jewelry Making, Bracelets, and Necklaces
$0.74
Fast Stair-Climbing Folding Hand Truck, Portable Shopping Cart for Groceries and Luggage
$304.08
Yonghe Hair Transplant: Shaved Method for Large-Area Top Density Enhancement - Unlimited Grafts by Director Team
$19,800.00
Long Rectangular Self-Watering White Planter for Narrow Window Sills and Balconies
$12.90
![[In Stock] Maihe BOXFUN Rilakkuma Watch Blind Box - Gulu Gulu Moment Series Wristwatch, Gift for Girls](https://www.gosteppe.com/cache/small/product/269930/legacy-main-81bb51a69f43ed5a98182a06.png)
[In Stock] Maihe BOXFUN Rilakkuma Watch Blind Box - Gulu Gulu Moment Series Wristwatch, Gift for Girls
$29.00
6-Cavity Tulip Flower Handmade Soap Mold - DIY Silicone Mold for Soap and Baking
$11.87
TILTA Video Transmission Heat Sink Cooling Fan Compatible with DJI Transmission
$298.75
CNC External Thread Tool Holder SER2020K16/2525M16, 22 Positive/Negative External Turning Lathe Bar
$15.92
Drive Board JINT-E1C for ABB ACS850 Inverter
$4,100.00
Retainer Storage Case - Portable Magnetic Box for Invisalign, Dentures, and Children's Braces
$17.80
High-Quality Natural Wood Pencils - Non-Toxic HB and 2B for Grades 1-2 Writing, Exams, Drawing, and Sketching
$4.02
Wen Zhengming Small Regular Script 'Caotang Shizhi, Xue Fu, Yue Fu' Close-Up Tracing Cards Calligraphy Copybook
$10.00
Inverter Power Board SINT4610C
$3,072.00
Freestanding Bathroom Toilet Storage Rack, Multi-Tier Organizer for Above-Toilet Space
$92.80
VP39-2/J30-18 Transmission Bearing Size 30X62X20 Original Japan Import
$402.00
Marie's Art Exam Sketch Blending Stump Set - Dual-Head Gray Surface Blending Pen, Full Kit with Soft-Tip Paper Stumps (2-Pack) for Professional Art Students
$5.80
G80 Manganese Steel Lifting Chain Rigging - Hooks, Links, and Rings for Crane Hoisting and Mold Handling
$96.00
![[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)
