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.

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

Help Track order

Account Cart

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

Help Track order

Account Cart

UNO R3 Microcontroller Board ATmega328P+ATmega16U2 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 cable included

🔢14 digital I/O pins + 6 analog inputs

R717

Duties & taxes included

In stock

Sold byAmazon South AfricaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to South Africa.

Secure transaction

Description

🚀 Elevate your maker game with ELEGOO UNO R3 — where ideas become reality!

FLEXIBLE POWER OPTIONS - Run via USB or 7-12V external supply to power your projects anywhere, anytime.
RELIABLE USB INTERFACE - ATmega16U2 chip ensures smooth sketch uploads and serial communication every time.
EXPANDABLE MAKERS DREAM - Add shields and modules effortlessly to build robotics, automation, and IoT innovations.
PLUG PLAY CODING POWERHOUSE - Start programming instantly with included USB cable and Arduino IDE compatibility.
VERSATILE I O FOR CREATIVE CONTROL - 14 digital pins and 6 analog inputs let you connect LEDs, sensors, motors, and more.

The ELEGOO UNO R3 is a compact, reliable microcontroller board featuring an ATmega328P core running at 16 MHz, 14 digital I/O pins, 6 analog inputs, and an ATmega16U2 USB interface for seamless programming. It includes a USB-A to USB-B cable and supports flexible power options, making it ideal for beginners and pros building robotics, automation, and sensor projects. Fully compatible with Arduino IDE, it’s a top choice for classrooms, coding clubs, and maker desks.

Specifications

Asin	B01EWOE0UU
Best Sellers Rank	#20 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 (5,046) 4.7 out of 5 stars
Date First Available	April 28, 2016
Item Dimensions Lxwxh	3.15 x 2.36 x 0.39 inches
Item Model Number	EL-CB-001
Item Weight	0.96 ounces
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

Common Questions

Are the products genuine and authentic?+

Yes, all products are sourced directly from authorized retailers in the US, UK, UAE and India. We maintain strict quality control processes and verify each product before shipping. All items come with applicable manufacturer warranties and are covered by our standard return policy.

How long does delivery take and is it reliable?+

Delivery times vary by destination country, typically ranging from 3-9 business days. Each order is fully trackable through our system. We handle all customs clearance and use reliable courier partners for last-mile delivery. You'll receive regular updates about your order status via email and our app.

What is Desertcart? Is it safe to order from?+

Desertcart is an international e-commerce platform operating since 2014. We securely process thousands of orders globally each day. Every product goes through our quality verification process before delivery, and we provide end-to-end order tracking, 24/7 customer support, and a comprehensive returns policy to ensure a safe shopping experience.

How is product pricing calculated?+

Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Neha S.

Excellent communication throughout the order process. Product is perfect.

2 weeks ago

Ayesha M.

The product exactly matches the description. Very satisfied with my purchase.

5 days ago

View all Trustpilot reviews

Shop Global, Save with Desertcart

Value for Money

Competitive prices on a vast range of products

Shop Globally

Serving millions of shoppers across more than 100 countries

Enhanced Protection

Trusted payment options loved by worldwide shoppers

Customer Assurance

Trusted payment options loved by worldwide shoppers.

Desertcart App

Shop on the go, anytime, anywhere.

R717

Duties & taxes included

In stock

Sold byAmazon South AfricaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to South Africa.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Meera L.

Smooth transaction and product arrived in perfect condition.

3 weeks ago

Pooja R.

The customer service exceeded my expectations. Perfect for buying products you can't find elsewhere.

1 week ago

View all Trustpilot reviews