---
product_id: 27763963
title: "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"
brand: "elegoo"
price: "980764₫"
currency: VND
in_stock: true
category: "Elegoo"
url: https://www.desertcart.vn/products/27763963-uno-r3-microcontroller-board-atmega-328p-atmega-16u2-with-usb
store_origin: VN
region: Vietnam
---

# 16 MHz clock speed USB-A to USB-B programming cable included 14 digital I/O pins + 6 analog inputs 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

**Brand:** elegoo
**Price:** 980764₫
**Availability:** ✅ In Stock

## Summary

> 🚀 Elevate your maker game with the UNO R3 – where ideas become reality!

## Quick Answers

- **What is this?** 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 by elegoo
- **How much does it cost?** 980764₫ with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.vn](https://www.desertcart.vn/products/27763963-uno-r3-microcontroller-board-atmega-328p-atmega-16u2-with-usb)

## Best For

- elegoo enthusiasts

## Why This Product

- Trusted elegoo brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Versatile I/O Arsenal:** 14 digital pins and 6 analog inputs let you control LEDs, motors, sensors, and more with precision.
- • **Robust ATmega328P Core:** Reliable 16 MHz processor with 32 KB flash memory powers your everyday projects effortlessly.
- • **Clear, Intuitive Wiring:** Labeled headers simplify connections, making prototyping faster and frustration-free.
- • **Plug & Play Maker Power:** Jumpstart your coding journey with a ready-to-go USB cable and seamless Arduino IDE compatibility.
- • **Expandable Innovation Hub:** Supports external 7-12V power and shields for robotics, automation, and custom electronics mastery.

## Overview

The ELEGOO UNO R3 Microcontroller Board features an ATmega328P 16 MHz processor with 32 KB flash memory, 14 digital I/O pins, and 6 analog inputs. It includes a USB-A to USB-B cable for easy programming and supports external power supplies and shields, making it ideal for coding clubs, robotics labs, and DIY electronics projects.

## Description

desertcart.com: ELEGOO 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 : Electronics

## Features

- START CODING WITH THE ELEGOO UNO R3: Connect the included USB cable, upload a first sketch and build sensor, motor, display and automation projects; a practical controller for maker desks, classrooms, coding clubs and robotics labs
- ATMEGA328P CORE FOR EVERYDAY PROJECTS: A 16 MHz clock, 32 KB flash, 14 digital I/O pins with 6 PWM outputs and 6 analog inputs provide a versatile foundation for LEDs, buttons, relays, servos, displays and sensors
- RELIABLE USB PROGRAMMING AND CLEAR WIRING: The ATmega16U2 USB interface supports sketch uploads and serial communication, while clearly labeled headers help simplify connections to jumper wires, shields and modules
- POWER AND EXPAND YOUR WAY: Run the board from USB or a recommended 7-12 V external supply, then add compatible shields and modules for data logging, automation, robotics, test fixtures and custom electronics projects
- BOARD AND USB CABLE INCLUDED: Comes with 1 ELEGOO UNO R3 development board and 1 USB-A to USB-B data cable; breadboard, sensors, shields and power adapter are not included, and younger learners should work with an experienced adult

## Technical Specifications

| Specification | Value |
|---------------|-------|
| 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 |

## Product Details

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

## Images

![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 - Image 1](https://m.media-amazon.com/images/I/71dFhqWoFiL.jpg)

## Available Options

This product comes in different **Size** options.

## Questions & Answers

**Q: The computer cannot recognise the UNO R3 board?**
A: 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.

**Q: The UNO board heats up when it is powered on?**
A: 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.

**Q: Unable to upload code to UNO board?**
A: (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.

**Q: Do I need extra parts to start?**
A: No. The board and USB cable are included. You can start programming right away.

**Q: Is this suitable for 12+ students?**
A: Yes. Recommended for learners under 12 with adult guidance as needed.

## Frequently Bought Together

- ELEGOO UNO R3 Board ATmega328P with USB Cable(Arduino-Compatible) for Arduino
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**Shop now:** [https://www.desertcart.vn/products/27763963-uno-r3-microcontroller-board-atmega-328p-atmega-16u2-with-usb](https://www.desertcart.vn/products/27763963-uno-r3-microcontroller-board-atmega-328p-atmega-16u2-with-usb)

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*Product available on Desertcart Vietnam*
*Store origin: VN*
*Last updated: 2026-08-26*