The computer cannot recognise the UNO R3 board?

Please check if your computer makes a new device recognition sound when the board is plugged in. If not, use another USB cable to connect to another USB port. Please connect the UNO board to another computer to make sure it is not a computer problem.

The UNO board heats up when it is powered on?

Please disconnect all connections to the control board and try to use another USB cable to check the problem. If there is still a problem, please send us a picture of the heating area for troubleshooting.

Unable to upload code to UNO board?

(1) Please make sure you have selected the correct board type and port #COM. (2) When you press the reset button, does the LED flash two or three times? If not, it may be that the bootloader is broken. Or just reach out to us.

Do I need extra parts to start?

No. The board and USB cable are included. You can start programming right away.

Is this suitable for 12+ students?

Yes. Recommended for learners under 12 with adult guidance as needed.

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Fully operational. Shipping worldwide, on schedule.Customs & duties included in the price

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UNO R3 Microcontroller Board ATmega+328P ATMEGA+16U2 with USB Cable | Compatible with Arduino IDE Projects, 32KB Flash Memory, 16Mhz Clock Speed, 14 Digital I/O Pins, RoHS Compliant

Product ID: 27763963

Details

Brand
ELEGOO
Connectivity Technology
USB
Memory Storage Capacity
32 KB
Model Name
ELEGOO UNO R3
Ram Memory Installed Size
32 KB

⚡16MHz clock speed for smooth performance

💾32KB Flash Memory for complex projects

🔌14 Digital I/O pins for versatile connectivity

£24.01

Duties & taxes included

In stock

Sold byAmazon UKDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🚀 Elevate your maker game with ELEGOO UNO R3 — where pro-level power meets seamless creativity!

UPGRADED 16 U 2 USB CHIP - Experience faster data transfer and enhanced memory with the modern 16U2 chip, leaving older models behind.
ECO FRIENDLY CERTIFIED - RoHS compliant design means you’re building smarter and greener, aligning with modern sustainability values.
ROBUST A TMEGA 328 P MICROCONTROLLER - Power your projects with the same reliable chip as the official Arduino UNO R3, ensuring top-tier performance.
PRECISION FEMALE HEADER CONNECTORS - Clear, precise headers make wiring intuitive and reduce setup time—perfect for busy innovators.
SEAMLESS ARDUINO IDE COMPATIBILITY - Plug-and-play with the industry-standard Arduino IDE for effortless coding and prototyping.

The ELEGOO UNO R3 Board is a high-performance, Arduino-compatible development board featuring a 16MHz ATmega328P microcontroller, 32KB flash memory, and 14 digital I/O pins. It includes an upgraded 16U2 USB chip for faster data transfer and is fully compatible with the Arduino IDE. Designed with precision female headers and RoHS compliance, it offers a reliable, eco-conscious platform ideal for professional-grade prototyping and innovative projects.

Specifications

ASIN	B01EWOE0UU
Best Sellers Rank	#15 in Single Board Computers (Computers & Accessories)
Brand	ELEGOO
Computer Memory Type	72-Pin EDO SIMM Memory
Customer Reviews	4.7 4.7 out of 5 stars (5,042)
Date First Available	April 28, 2016
Item Dimensions LxWxH	3.15 x 2.36 x 0.39 inches
Item Weight	0.96 ounces
Item model number	EL-CB-001
Manufacturer	ELEGOO
Number of Processors	1
Operating System	Windows 10
Processor Brand	Atmel
Product Dimensions	3.15 x 2.36 x 0.39 inches
RAM	2 KB DDR3
Series	ELEGOO UNO R3 Board
Standing screen display size	3
Wireless Type	Bluetooth

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