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

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

⚡16 MHz clock speed

🔌USB-A to USB-B programming cable included

🔢14 digital I/O pins + 6 analog inputs

S$30

Duties & taxes included

In stock

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Description

🚀 Elevate your DIY game with ELEGOO UNO R3 — where ideas meet unstoppable innovation!

VERSATILE I O ARSENAL - 14 digital pins and 6 analog inputs let you control LEDs, motors, sensors, and more with precision.
ROBUST A TMEGA 328 P CORE - 16 MHz clock and 32 KB flash memory deliver reliable performance for all your creative projects.
PLUG PLAY MAKER POWER - Start coding instantly with USB cable and Arduino IDE compatibility—no setup headaches.
SEAMLESS USB PROGRAMMING - ATmega16U2 interface ensures smooth sketch uploads and real-time serial communication.
EXPANDABLE INNOVATION HUB - Power via USB or external supply and easily add shields/modules to scale your robotics or automation dreams.

The ELEGOO UNO R3 is a compact, reliable microcontroller board featuring an ATmega328P processor running at 16 MHz, 32 KB flash memory, and 14 digital plus 6 analog I/O pins. It includes a USB-A to USB-B cable for easy programming and supports seamless integration with Arduino IDE, making it ideal for makers, educators, and robotics enthusiasts looking to build versatile electronics projects.

Specifications

ASIN	B01EWOE0UU
Best Sellers Rank	#22 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 (5,044)
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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