10 Best Arduino Uno of 2025

Tested and Reviewed: Top 10 Arduino Uno deals with expert ratings from 8.1 to a perfect 10

May 2026 Edition

Editor's Choice

9.7

hiBCTR

hiBCTR arduino uno r3 Board with USB Cable - atmega328p, 16mhz, 14 Digital i/o pins, pwm Support, Compatible with arduino uno r4, mega, Leonardo and Raspberry pi

Editor's bottom line:

“This arduino uno is the best one we tested. In terms of quality, brand and price, we couldn't ask for more.”

Main Highlights

1. Unleash your tech prowess with the adaptable UNO R3 Board ATmega328P, ideal for crafting diverse electronics projects. Enjoy seamless integration with Arduino and a rich array of digital and analog I/O options, opening up a world of sensor and module compatibility.
2. Harness the prowess of the UNO R3 Board ATmega328P, featuring a robust ATmega328P MCU, 32KB flash, and 2KB SRAM. Tailored for novices and experts alike, it's your gateway to crafting cutting-edge applications in fields like robotics and smart home tech.
3. Ignite your electronics hobby with the UNO R3 Board ATmega328P, offering an open-source platform for customization. With 14 digital and 6 analog pins, you'll have the connectivity to breathe life into your creative ideas and build engaging interactive projects.
4. Elevate your DIY endeavors with the UNO R3 Board ATmega328P, designed for seamless interaction within the Arduino community. Access a treasure trove of code and resources, and enjoy the board's dependability and broad compatibility for smooth prototyping.
5. Tap into the boundless possibilities of the UNO R3 Board ATmega328P, equipped with robust communication interfaces like UART, SPI, and I2C. Whether you're a hobbyist or a pro, this board is your ticket to crafting sophisticated electronic systems and pushing the boundaries of innovation. Compatible with Arduino.

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Picked by 397 people today

9.5

Arduino

Arduino Uno REV3 [A000066] - ATmega328P Microcontroller, 16MHz, 14 Digital I/O Pins, 6 Analog Inputs, 32KB Flash, USB Connectivity, Compatible with Arduino IDE for DIY Projects and Prototyping

Main Highlights

ATmega328P Microcontroller: Powered by the reliable ATmega328P, running at 16 MHz with 32KB of flash memory, 2KB SRAM, and 1KB EEPROM, offering ample resources for a wide range of basic to advanced electronics projects.
14 Digital I/O Pins & 6 Analog Inputs: Features 14 digital I/O pins (6 of which support PWM output) and 6 analog inputs (10-bit resolution), providing flexible options for sensors, motors, and other external components.
USB Connectivity for Easy Programming: The built-in USB port allows for direct programming and serial communication, enabling a simple connection to your computer for sketch uploading and debugging through the Arduino IDE.
Compatible with Arduino IDE: Full compatibility with the Arduino IDE ensures easy access to a vast array of libraries, code examples, and community-driven projects, making the Uno a great choice for both beginners and experienced makers.
Widely Used in Education & Prototyping: The Arduino Uno is a standard in educational environments, widely used for learning and teaching electronics and programming. It's perfect for prototyping, robotics, IoT projects, and more.

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9.5

ELEGOO

ELEGOO UNO R3 Board ATmega328P with USB Cable(Arduino-Compatible) for Arduino

Main Highlights

Clear prints on the female header connector, more precise and easier to use the wire.
The ELEGOO UNO R3 BOARD now uses an 16U2 instead of the ATMega8U2 chip. Faster transfer rates and more memory.
Control using ATMEL ATMEGA+328P chip(the same with Arduino UNO R3)
100% compatible with the Arduino IDE and RoHS Compliant
We have always cared about the customer experience and improve the product function details.

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9.2

Hczykya

UNO R3 Board ATmega328P with USB Cable(Arduino-Compatible) for Arduino, Input Voltage 7-12V, 16MHZ,14 Digital 1/0 pins Support PWM, SRAW 2KB, Compatible with RPi 4B/3B+/3B/2B/B+/Zero/Zero W

Main Highlights

Unlock your creativity with the versatile UNO R3 Board ATmega328P! Explore endless possibilities in electronics projects with its user-friendly Arduino development environment, extensive digital and analog I/O pins, and compatibility with various sensors and modules. Let your imagination soar!
Experience the power of UNO R3 Board ATmega328P! This feature-packed development board boasts a high-performance ATmega328P microcontroller, 32KB of flash memory, and 2KB of SRAM. It's perfect for both beginners and advanced users seeking to build innovative applications in robotics, home automation, and more.
Ignite your passion for electronics with the UNO R3 Board ATmega328P! Its open-source design allows for customization, while its 14 digital I/O pins and 6 analog input pins provide ample connectivity options. Get ready to bring your ideas to life and create interactive projects like never before.
Elevate your DIY projects with the UNO R3 Board ATmega328P! This highly versatile development board offers seamless integration with the Arduino ecosystem, providing access to a vast library of code and resources. With its reliable performance and broad compatibility, you can easily prototype and realize your electronic dreams.
Discover the endless potential of the UNO R3 Board ATmega328P! With its robust communication interfaces, including UART, SPI, and I2C, you can connect and communicate with a wide range of devices. Whether you're a hobbyist or a professional, this powerful development board is a must-have for creating innovative and interactive electronic systems.

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9.0

ELEGOO

ELEGOO UNO Project Super Starter Kit with Tutorial and UNO R3 Board Compatible with Arduino IDE

Main Highlights

PDF tutorial(more than 22 lessons) and clear listing in a nice package
The most economical kit based on Arduino platform to starting learning electronics for those beginners who are interested.
Lcd1602 module with pin header (not need to be soldered by yourself)
This is the upgraded starter kits with power supply module, 9V battery with dc
High quality kit with UNO board, compatible with Arduino UNO R3, UNO R4, MEGA 2560 R3, NANO.

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8.8

Arduino

Arduino UNO R4 WiFi [ABX00087] - Renesas RA4M1 + ESP32-S3, Wi-Fi, Bluetooth, USB-C, CAN, 12-bit DAC, OP AMP, Qwiic Connector, 12x8 LED Matrix for Advanced IoT & Embedded Projects

Main Highlights

Dual-Core Processing with Renesas RA4M1 and ESP32-S3: The Arduino UNO R4 WiFi combines the Renesas RA4M1 microcontroller (ARM Cortex-M4) and the ESP32-S3 Wi-Fi/Bluetooth chip, delivering powerful dual-core processing capabilities. This combination offers flexibility for a wide range of projects, from high-speed communications and wireless control to real-time data processing and edge AI applications.
Comprehensive Wireless Connectivity: Equipped with Wi-Fi and Bluetooth 5.0, the UNO R4 WiFi ensures robust wireless communication for IoT projects, remote sensors, smart devices, and wireless control applications. Whether connecting to the cloud, other devices, or local networks, the board offers stable and high-speed wireless connectivity for seamless operation.
Modern USB-C, CAN, & Qwiic Connector: The USB-C port enables efficient power delivery and fast programming, improving ease of use compared to traditional USB connections. The Controller Area Network (CAN) support allows for reliable, real-time communication in industrial, automotive, or robotic systems. Additionally, the Qwiic Connector makes it easy to add I2C sensors and peripherals, simplifying the connection process and reducing the need for complex wiring.
High-Precision 12-bit DAC & OP-AMP: For projects that require high-quality analog output, the 12-bit DAC (Digital-to-Analog Converter) and integrated operational amplifier (OP-AMP) provide precise analog signal generation and amplification. This feature is ideal for audio projects, sensor interfacing, or applications where analog signal control and processing are necessary.
Integrated 12x8 LED Matrix: The UNO R4 WiFi includes a built-in 12x8 LED Matrix, enabling users to display dynamic visuals, messages, or real-time data on the board itself. This makes it perfect for projects that require immediate visual feedback, such as status indicators, event displays, or interactive user interfaces.

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8.6

ELEGOO

ELEGOO UNO R3 Controller Board ATmega328P with USB Cable Compatible with Arduino IDE

Main Highlights

100% compatible with the Arduino IDE.
The ELEGOO UNO R3 controller board now uses a CH340C chip and SMD ATmega328p chip (same as Arduino UNO R3), with a faster transfer rate and more memory
Clearly printed pin names on the female header connector, are more precise and much easier to use the wires
ELEGOO UNO R3 controller board can be powered via a USB connection and an external power supply
A good choice for getting started with electronics and coding, and ideal for your 3D printer, robotic and electronic projects

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8.3

Arduino

Arduino UNO R4 Minima [ABX00080]

Main Highlights

New Arduino Uno R4 Minima
Next generation of Arduino Uno family

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8.1

AYWHP

AYWHP 1 PCS R3 Development Board, Single Board with ATmega328P Chip 2 KB 1 KB EEPROM, Microcontroller with USB Cable Compatible with Ar-duino uno

Main Highlights

ATmega 328P Chip: R3 board is equipped with an ATmega328P microcontroller with 14 digital I/O pins and 8 analog input pins, allowing users to connect a variety of sensors, displays, and other peripherals
R3 Board: The ATmega328 has 32 KB (0.5 KB of which is occupied by the bootloader). It also has 2 KB and 1 KB of EEPROM (which can be read and written using the EEPROM library)
Shield Function: Two new pins are also placed near the RESET pin. One is IOREF, which allows the shield to adapt to the voltage provided by the board, and the other is reserved for future use. The R3 works with all existing shields and can adapt to new shields that use these additional pins
Atmega16U2 Chip: The R3 board can be powered through the USB connection or using an external power supply, the pin names are clearly printed on the header connector, making it more precise and easier to work with wires, the RX and TX LEDs on the board will flash when data is being transferred to the computer through the USB to Serial chip and the USB connection
Ar-duino Kit: You don't need to worry about whether you can program it with Ar-duino IDE. You can use it just like an Ar-duino r3 board. R3 is fully compatible with Ard-uino UNO

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8.1

REXQualis

REXQualis Super Starter Kit Based on Arduino UNO R3 with Tutorial and Controller Board Compatible with Arduino IDE

Main Highlights

The most economical kit comes with everything compatible with Arduino to starting programming for beginners .
This is the upgraded starter kits come with a 9V 1A Power Adapter (At least $5.99 on amazon) to replace a 9V Battery , and the Lcd1602 module come with pin header(not need to be soldered by yourself).
Include High Quality Base Board base on Arduino UNO R3 compatible with Arduino IED and Sensors, Servo, Motor, ULN2003 driver board, lcds, etc.
Free PDF Tutorial and Datasheet are available to download from our official website or you can contact our customer service.
All of the Components and Integrated Circuits are individually packaged and labeled, and packing in a plastic box which is bigger enough for you.

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Our Best Overall Choice

Best Choice

9.7

hiBCTR

hiBCTR arduino uno r3 Board with USB Cable - atmega328p, 16mhz, 14 Digital i/o pins, pwm Support, Compatible with arduino uno r4, mega, Leonardo and Raspberry pi

Editor's bottom line:

“This is the best one we tested. In terms of quality, brand and price, we couldn't ask for more.”

Main Highlights

1. Unleash your tech prowess with the adaptable UNO R3 Board ATmega328P, ideal for crafting diverse electronics projects. Enjoy seamless integration with Arduino and a rich array of digital and analog I/O options, opening up a world of sensor and module compatibility.
2. Harness the prowess of the UNO R3 Board ATmega328P, featuring a robust ATmega328P MCU, 32KB flash, and 2KB SRAM. Tailored for novices and experts alike, it's your gateway to crafting cutting-edge applications in fields like robotics and smart home tech.
3. Ignite your electronics hobby with the UNO R3 Board ATmega328P, offering an open-source platform for customization. With 14 digital and 6 analog pins, you'll have the connectivity to breathe life into your creative ideas and build engaging interactive projects.
4. Elevate your DIY endeavors with the UNO R3 Board ATmega328P, designed for seamless interaction within the Arduino community. Access a treasure trove of code and resources, and enjoy the board's dependability and broad compatibility for smooth prototyping.
5. Tap into the boundless possibilities of the UNO R3 Board ATmega328P, equipped with robust communication interfaces like UART, SPI, and I2C. Whether you're a hobbyist or a pro, this board is your ticket to crafting sophisticated electronic systems and pushing the boundaries of innovation. Compatible with Arduino.

Show Price

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