Description
Reviews
| Brand | - |
| Category | Robotics / STEM Teaching Tools / Development, Learning, Evaluation & Industrial Control Boards |
| Origin | - |
| Microcontroller | ESP32-S3 |
| Flash Memory Options | 8MB or 16MB |
| PSRAM Options | 2MB or 8MB |
| Connectivity | Wi-Fi 4 (802.11 b/g/n) and Bluetooth 5 (LE) |
| Interface Form Factor | Arduino UNO R3 Compatible Pinout |
| USB Interface | USB-to-UART Bridge with Native USB Support |
| Operating Voltage | 3.3V Logic, 5V Input via VIN |
| Digital I/O Pins | Multiple GPIOs with PWM, I2C, SPI, UART |
| Power Supply | USB Type-C or External 5V-9V DC |
| Supported IDEs | Arduino IDE, ESP-IDF, MicroPython |
Anonymous
Mar 31, 2026
Rating: 5/5
Great memory options
I specifically needed the N16R8 version for a project involving image processing and local storage. The 16MB flash and 8MB PSRAM handle everything smoothly without running out of space. Compilation times are quick, and stability has been rock solid.
Anonymous
Mar 31, 2026
Rating: 5/5
Reliable for long-term deployment
Using this to monitor my greenhouse sensors. It has been running for three months straight on a solar setup with deep sleep modes. The connection rarely drops, and the data logging to the internal flash is working flawlessly. Very happy with this purchase.
Anonymous
Mar 28, 2026
Rating: 4/5
Solid board, minor learning curve
Excellent hardware quality. The only reason for 4 stars instead of 5 is that beginners might find the dual-core architecture slightly confusing at first compared to standard Arduino boards. However, once you get the hang of it, the performance is unbeatable for the price.
Anonymous
Mar 23, 2026
Rating: 5/5
Perfect upgrade for IoT projects
The ESP32-S3 is a massive improvement over the older ESP32 models. The native USB support makes flashing code incredibly fast, and the UNO form factor means all my existing shields fit perfectly. Highly recommended for anyone moving from Arduino to WiFi-enabled projects.
Anonymous
Mar 21, 2026
Rating: 5/5
Ideal for education
Bought a batch of these for our university robotics club. The compatibility with both Arduino IDE and MicroPython makes it versatile for students with different coding backgrounds. Wi-Fi connectivity is stable, and Bluetooth LE works great for remote control apps.
Anonymous
Mar 14, 2026
Rating: 5/5
Best value S3 board
I've tested several ESP32-S3 boards, and this UNO-style version offers the best balance of usability and performance. The pin labeling is clear, the USB-C port is durable, and the power regulation handles motor drivers well without overheating.
Q: Does this board support 5V logic levels directly on the GPIO pins?
A: No, the ESP32-S3 operates at 3.3V logic levels. While the VIN pin accepts 5V input for power, applying 5V directly to GPIO pins may damage the microcontroller. Please use level shifters if interfacing with 5V sensors or modules.
Q: Are there example codes available for getting started with Wi-Fi?
A: Yes, once you install the ESP32 board package in the Arduino IDE, you will find numerous examples under File > Examples > WiFi. These cover connecting to networks, setting up access points, and making HTTP requests. Our website also hosts a dedicated tutorial section.
Q: Is the USB port used only for programming or also for serial communication?
A: The USB Type-C port serves multiple functions: it provides power, allows for programming/flashing firmware, and acts as a high-speed Serial (UART) interface for debugging. The ESP32-S3 also supports Native USB, enabling it to act as a keyboard, mouse, or MIDI device.
Q: Can I power this board using a standard 9V battery?
A: Yes, you can connect a 9V battery to the barrel jack or the VIN pin. The onboard voltage regulator will step it down to the required levels. However, ensure the battery can supply sufficient current for your specific peripherals.
Q: What is the difference between the N8R2 and N16R8 versions?
A: The numbers refer to memory sizes. N8R2 has 8MB of Flash storage and 2MB of PSRAM. N16R8 has 16MB of Flash storage and 8MB of PSRAM. Choose N16R8 if your project involves large datasets, audio buffers, or frame buffers for displays.
Thickened Mobile Phone Waterproof Case, Waterproof Box, Sealed Container, Pressure-Resistant Box, EDC Drop-Proof Storage Box for Outdoor Travel
$12.00
Commercial Heated Display Cabinet for Crispy Pork Belly, Roast Chicken, and Cantonese BBQ - Constant Temperature Warmer for Peking Duck
$1,394.00
Mejiang Baohong Watercolor Line Art for Beginners, Coloring Book with Colored Pencils and Markers, Cat Letter Theme
$29.70
Shanghai Huamei Hair Transplant, Solution for Hair Loss, Thinning, and Density Enhancement
$6,750.00
New Direct Sale Nanda Silicone Rubber 704 Battery Fixative Adhesive Panel Light Special Glue Photovoltaic Solar Sealant
$25.85
Yonghe Hair Transplant: Top Scalp Density Enhancement (2000+ Units Fixed Price)
$33,800.00
No-Drill Bathroom Storage Rack – Toilet Paper Organizer for Dorms and Restrooms
$22.16
Premium Metallographic Polishing Cloth – White Short-Pile Velvet for Mirror Finish Grinding by Goral
$35.00
Rock Guitar Hell Training: Electric Guitar Textbook and Tutorial by Shinichi Kobayashi, Beginner to Intermediate Chinese Guitar Book and Sheet Music
$58.69
Aromatherapy Candle Resin Jelly Wax Strawberry Silicone Mold, Large Squishy Handmade Soap DIY Material
$1.90
Liboer Drill-Free Security Camera Mount & Router Shelf – Adhesive-Free Wall Bracket for 360 PTZ Cameras and Sockets
$21.90
City Hunter Theme Song Mr. Chui Saxophone Three-Piece Precise Transcription Service
$16.00
![[Deposit Group 12] New Colors: Hugging Bear Matte Low-Mid Heel Lolita Shoes - Sheep Puff with Bear Buckle](https://www.gosteppe.com/cache/small/product/268946/legacy-main-23070b08b8901297c3f91d93.webp)
[Deposit Group 12] New Colors: Hugging Bear Matte Low-Mid Heel Lolita Shoes - Sheep Puff with Bear Buckle
$38.00
Handcrafted Peach Wood and Brass Baby Rattle - Non-Toxic Paint-Free Teething Toy for Infants
$32.00
Car Tire Stone Removal Hook - Debris Cleaning Tool for Wheels
$6.19
Ceramic Rabbit Egg Holder – Creative Irregular Egg Stand for Breakfast or as a Decorative Gift
$33.82
Toilet Tank Side Shelf Bathroom Storage Rack No-Drill Organizer for Bathroom Essentials
$10.40
No-Drill Over-Toilet Storage Rack for Bathroom Restroom Organizer
$8.90
Artsneak Blending Stump for Oil Pastels, Dual-Tip Sponge Brush Art Student Painting Tool Set, Washable and Crumb-Free
$14.20
75X100 Imitation Inkjet Transfer Steel Plate for Date Coding - Custom Logo and Trademark Available
$38.00
Lint-Free Cloth 1009DLE/SLE - Straight/Net Weave for UV Printhead, Screen, Lens Cleaning, Industrial Wiping Cloth
$10.80
Pirelli PZ4 Tires, Sizes 235/245/255/265/285/40/45/50/55 R19/R20/R21/R22
$350.00
Wooden Plaque Carved Signboard for Business Opening, Antique-Style Shop Entrance Header, Custom Engraved Solid Wood Couplets MWU
$182.96
Kumho ES01 Car Tires: Sizes 155/165/175/185/205 with Aspect Ratios 55/60/69 and Rim Diameters 14/15/16/17
$458.00
Mont Marte Paint Brushes, Creative Children's Painting Brush Set (3 Pieces), Tempera Brush Kit for Kids
$6.50
Baohong Watercolor Paper 300g 8K/4K - Wood Pulp A1/A3/K3 350g Fine/Coarse Grain for Watercolor and Oil Pastels 4K
$4.00
Imported IK7 Linear Bearing LM 162837 203242 254059 304564 3552O0 UU
$96.00
Used Car Tires Auto Salvage Tires 155 165 175 185 195 205 215 1U3 14 15 16
$202.00
Magnetic Charging Stand for MIJIA Smart Audio Glasses (Enjoyment Edition) & Jiehuan AI Glasses – Wireless Installation for Type 86 Box
$84.10
Premium DIY Succulent Sand Painting Scented Candle Kit for Holidays and Team Building
$21.20
![[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)
