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.
Colored Pencil Set, Basswood Hexagonal Raw Wood Pencils for Painting and Art Coloring
$21.68
Small Ceramic Herb Jar – Imperial Yellow Hexagonal Double-Layer Container for Angong Niuhuang Wan Pills
$8.80
Spanish Brush Master ESCODA PERLA Pearl White Toray Nylon Round Watercolor Brush, Short Handle 1430
$44.20
Qiwei COD Rapid Detector QW-COD-T/B - Chemical Oxygen Demand Tester with Potassium Dichromate Digestion for Wastewater
$3,330.16
Natural Wheat Straw Baby Rattle - Children's Musical Instrument Toy, Maraca, Shaker Bell for Newborns - Orff Music Instrument
$10.80
CANDLE.LAB | 100% Cotton Unwaxed Candle Wick Roll - Thin Stem Chandelier Candle Making Supplies #31
$25.00
Pneumatic Rotary Vibrator - Feiyu GT25 Pneumatic Vibrator - Quality Guaranteed
$997.00
Quick-Frozen Vegetable Deodorizing Sterilization Washer IRW Zhongfang Ready-to-Cook Vegetable Production Washing Line Semi-Finished Vegetable Processing Oxygen Equipment
$27,000.00
KETELES 105R7120 Carbon Fiber Road Bike - Lightweight Racing Bicycle with Gear Shifter
$11,339.00
Natural White Crystal Sugar Cube DIY Crystal Jewelry Accessories Materials Irregular White Crystal Blocks
$2.50
Foldable Silicone Brush Washing Bucket - Portable Water Container for Calligraphy and Painting Students
$8.42
Cute Cartoon Bird Ceramic Brush Washer - Decorative Pen Cleaning Cup and Photo Prop
$12.60
Kitchen Storage Rack with Drainage Tray – Organizer for Dishcloths, Faucets, Sink Areas, and Dishwashing Supplies
$4.15
Sheng Y Graffiti Paint Brush Set, Children's Stationery Kit with Art Watercolor Pens, Factory Direct Gift Supplies
$49.10
Ningbo Manufacturer Display and Storage Rack, Wall-Mounted Tire Storage for Home Garage, Customizable Wall Tire Rack
$237.60
Universal Low-Temperature 3D Printing Pen Filament PCL, Eco-Friendly Material Wire 1.75mm Compatible with Deli Pens, 40 Color Options
$3.80
Automatic Feeder - Stainless Steel Food Machinery Accessory Equipment
$20,150.00
Henkel Loctite Super Glue Series: 401, 406, 460, 480, 495, 4011, 4161, 496, 382, 410
$28.00
Over-Toilet Storage Rack with Tissue Organizer for Bathroom, Vanity, and Shower Gel - Multi-Use Bathroom Shelf
$27.66
15-inch Carbon Fiber FPV Drone Frame - High-Strength Quadcopter Aerial Photography Chassis Direct Sale
$396.44
Petal-Shaped Ceramic Tea Scoop and Holder for Gongfu Tea Ceremony
$97.00
Scented Candle Waxing Cotton Wick with Base Wick Fixer Sticker DIY Materials
$0.35
Stainless Steel Fish Tank Converter - Bucket to Aquarium Adapter with Inverted Stand and Faucet Spout for Mineral Water Jugs
$13.58
Non-woven Cleaning Cloths, Lint-free Wiping Rags, Oil-absorbing Paper, Machine Cleaning Cloth, Dust Removal Cloth for Subway Use (No Washing Required)
$138.00
Large Paint Brush Set - Watercolor Pen Kit for Children's Day Art and Drawing
$31.25
Foldable Car Tire Stone Removal Tool, Explosion-Proof Scraper Hook for Extracting Pebbles from Tires
$19.53
Black Swan Watercolor, Gouache, and Acrylic Paint Brush Set - Professional Art Painting Tools for Numbered Paint-by-Number Kits
$6.80
Jiangchuan 800 Roll-to-Roll Oil-Heated Roller Heat Transfer Machine – Digital Sublimation Printer for Curtain Fabric Rolls
$147,743.75
Traditional Handcrafted Wooden Rattle for Newborns – Safe for Teething, Intangible Cultural Heritage Toy
$10.10
All-Season Quiet and Comfortable Vacuum Tires for Buick Enclave 2013-2014 - Custom Fit, Wear-Resistant
$458.00
![[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)
