Description
Reviews
| Brand | - |
| Category | Robotics / STEM Teaching Tools / Development, Learning, Evaluation & Industrial Control Boards |
| Origin | - |
| Microcontroller | ATmega328P |
| Operating Voltage | 5V |
| Digital I/O Pins | 14 (6 PWM outputs) |
| Analog Input Pins | 6 |
| DC Current per Pin | 20 mA |
| Flash Memory | 32 KB (0.5 KB used by bootloader) |
| SRAM | 2 KB |
| EEPROM | 1 KB |
| Clock Speed | 16 MHz |
| USB Interface | ATmega16U2 |
Anonymous
Mar 25, 2026
Rating: 5/5
Consistent performance
I use these for rapid prototyping at work. Having the official board ensures that timing and voltage references are accurate, which saves hours of debugging later. Will buy again.
Anonymous
Mar 20, 2026
Rating: 5/5
Perfect gift for curious kids
Got this for my teenager who wants to learn coding and electronics. The kit aspect mentioned in the title isn't fully clear as this is just the board, but paired with a starter kit, it's unbeatable. Very durable.
Anonymous
Mar 18, 2026
Rating: 4/5
Great board, slightly pricey
You definitely pay a premium for the official branding compared to compatible boards, but you get what you pay for in terms of quality control and supporting the open-source community. It works flawlessly with the Arduino IDE.
Anonymous
Mar 12, 2026
Rating: 5/5
The gold standard for beginners
This is the genuine article. Everything works perfectly out of the box. The build quality is solid, and it recognized my computer immediately without needing extra drivers on Windows 10. Perfect for starting your first blinking LED project.
Anonymous
Mar 07, 2026
Rating: 5/5
Reliable and authentic
I've bought clones before, but there is a noticeable difference in stability with this official board. The USB connection is robust, and the pin headers are soldered cleanly. Highly recommended for anyone serious about learning electronics.
Anonymous
Mar 03, 2026
Rating: 5/5
Essential for university projects
Bought this for my embedded systems course. The documentation online is vast because so many people use this exact model. No compatibility issues with any of the shields I've tried so far.
Q: What is the difference between this R3 version and older versions?
A: The R3 version features additional SDA and SCL pins near the AREF pin, a stronger reset circuit, and uses the ATmega16U2 for USB communication instead of the older ATmega8U2, offering better driver support.
Q: Is this compatible with the Arduino IDE?
A: Yes, this is an official Arduino board and is fully supported by the latest version of the Arduino IDE across Windows, macOS, and Linux.
Q: Does this board come with a USB cable included?
A: No, this listing is for the development board only. A standard USB Type-A to Type-B cable is required to connect it to your computer and is sold separately.
Q: Can I power this board with a 9V battery?
A: Yes, you can power the board using a 9V battery by connecting it to the barrel jack or the Vin and GND pins. The onboard regulator handles the voltage conversion safely.
Q: Does this support 3.3V logic levels directly?
A: The Arduino UNO R3 operates at 5V logic levels. While it has a 3.3V pin to power external components, the I/O pins are not 5V tolerant if connected to a 3.3V system without a level shifter.
Youlian Toast Shaping Machine Dough Molder Square Bread Shaper Bakery Equipment YSN-T380
$9,695.20
Michelin Tire 255/50R20 109V - Compatible with VW Teramont, Trumpchi GS8, AITO M7, Li Auto L7/L8/L9, and NIO ES6
$550.00
Traditional Wooden Rattle with Sheepskin Head for Early Education Newborns Boys and Girls Visual Tracking Grip and Hearing Training
$11.88
French Canson Classic Printmaking Paper 100% Cotton 320g for Screen Printing, Woodcut, Copperplate, Lithography; 250g Cotton Pulp 60*76cm Half Sheet 8K Quarter Sheet A4 Printmaking Painting Tool Set Ink Roll Rubbing Paper
$7.65
Fan Start Capacitor 8uF for ABB ACS800 VFD
$350.00
babycare Baby Rattle with Teether for Newborns, Silicone Shaker Bell Educational Toy for Infants and Toddlers
$39.90
Class 100 Clean Workbench and Laminar Flow Hood, Negative Pressure Weighing Booth, Direct from Manufacturer
$2,475.00
1.9m 4-Printhead Digital Sublimation Printer for Diatom Mud, Polyester Fabric, and Garment Heat Transfer Printing
$600.00
ergo5950 Acrylic Specialty Adhesive - High-Strength Bond for Acrylic Sheets, PMMA, Glass, Fish Tanks, PLA, and PC Boards
$57.84
Invisalign Orthodontic Retainer Storage Box - Compact Portable Cleaning Case for Teeth Aligners and Dentures
$12.30
![[Camizong] Lilith's Claw – Gothic-Style Fork Acrylic Check-In Stick for Badge Display with Magnetic Backing](https://www.gosteppe.com/cache/small/product/269664/legacy-main-61a7c901e7dad39a31ac652a.png)
[Camizong] Lilith's Claw – Gothic-Style Fork Acrylic Check-In Stick for Badge Display with Magnetic Backing
$11.70
PELICAN 1010 Outdoor Waterproof Micro Case for Earphones and Cable Storage
$25.00
Korea Hwahong Model 345 Detail Liner Brush for Painting - Recommended by Xijiu 011
$12.52
Stainless Steel Oil Painting Medium Dispenser and Brush Washer Cup for Students, Diluent and Watercolor Paint Supplies
$3.80
![[Cao Quan Stele Beginner Set] Beginner Clerical Script Learning Set](https://www.gosteppe.com/cache/small/product/269660/legacy-main-054d3f92ef4f63a19b4a6651.webp)
[Cao Quan Stele Beginner Set] Beginner Clerical Script Learning Set
$41.60
Manyue Car Aromatherapy Hand-Mold Plaster DIY Raw Material Scented Diffuser Stone White Hard Plaster Powder 500G
$5.95
Pelican Soft Grid Dividers for Case 1510 - Compatible with 1500, 1550, and 1610 Models
$170.00
Children's Orthodontic Expander Storage Case, Portable Retainer Box with Lanyard for Frankel Appliances
$14.33
Portable Denture Storage Case for Elderly - Cleaning and Soaking Box for False Teeth and Retainers
$19.30
Handmade Soap Wrought Iron Hanging Rack, DIY Grape/Lychee Soap Display Hook, Premium Creative Gift Decor
$4.08
Stainless Steel Parallel Brush Roller Washer - Sand Removal Equipment for Oysters and Vegetable Cleaning
$8,175.00
Camellia Scented Plaster DIY Kit Parent-Child Team Building Car Vent Diffuser Ornament with Tutorial Included
$3.23
Glass Bonding High-Transparency Waterproof UV Adhesive Shadowless Glue 7194V for Small Glass Fish Tanks & Vases
$105.00
Mineral Water Bucket Stand - Simple Storage Rack for Bottled Water, Water Dispenser, and Purified Water Support
$150.00
UE5 Neon Shop Signs - 3D Model Assets and Props for Unreal Engine 5
$0.50
Surface-Mounted Semi-Circular Stainless Steel Floor Cable Raceway with Anti-Crush Design
$2.50
Denture Storage Box Soaking Denture Elderly Cleaning Box with Filter Tooth Storage Box Retainer Denture Case Portable
$7.64
Tire Hot Patch Vulcanizer 12R22.5, Tubeless Tire Aluminum Mold Plug-in Top Pressure Plate, Tire Repair Tool Aluminum Mold Press Plate
$430.00
DEUTER Germany Outdoor Travel Waterproof Dry Bag - Lightweight Storage Sack for Beach, Swimming, and Camping
$59.50
Expanded Clay Pebbles for Plant Pot Drainage - Specialty Ceramic Granules for Succulents, Hydroponics, Aquariums, and Bathroom Backfill
$7.70
![[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)
