The Best Cheap Arduino Uno of 2022 – Reviewed and Top Rated

After hours researching and comparing all models on the market, we find out the Best Cheap Arduino Uno of 2022. Check our ranking below.

2,815 (random num) Reviews Scanned

SaleRank No. #1

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

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.

Rank No. #2

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

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.

SaleRank No. #3

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

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.

SaleRank No. #4

Arduino Uno REV3 [A000066]

This board is your entry to the unique Arduino experience: great for learning the basics of how sensors and actuators work, and an essential tool for your rapid prototyping needs
Arduino Uno is the most used and documented board in the world
"Uno" means one in Italian and was chosen to mark the release of Arduino Software (IDE) 1.0, now evolved to newer releases
It has 14 digital input/output pins (of which 6 can be used as PWM outputs), 6 analog inputs, a 16 MHz quartz crystal, a USB connection, a power jack, an ICSP header and a reset button
Arduino is an open-source hardware, software, and content platform with a worldwide community of over 30 million active users

Rank No. #5

Arduino UNO R4 WiFi [ABX00087] - Renesas RA4M1 / ESP32-S3 - Wi-Fi, Bluetooth, USB-C, CAN, DAC, OP AMP, Qwiic Connector, 12x8 LED Matrix

The Arduino UNO R4 WiFi combines the processing power and exciting new peripherals of the RA4M1 microcontroller from Renesas with the wireless connectivity power of the ESP32-S3 from Espressif. On top of this, the UNO R4 WiFi offers an on-board 12x8 LED matrix, Qwiic connector, HID support, VRTC, and OFF pin, covering all potential needs makers will have for their next project.
Expanded memory and faster clock with extra on-board peripherals: The UNO R4 WiFi empowers you with increased memory and a faster clock speed, enabling more precise calculations, effortless handling of complex projects, and the ability to tackle demanding tasks with ease. Additionally, it introduces a range of on-board peripherals, including a 12-bit DAC, CAN BUS, OP AMP, OFF pin, VRCT pin and Qwiic connector, providing expanded capabilities and design flexibility.
Hardware compatibility with UNO hardware and larger input voltage range: The UNO R4 WiFi maintains hardware compatibility with the UNO form factor and operates at 5V. It now supports a wider input voltage range, up to 24V, enabling seamless integration with motors, LED strips, and other actuators. This allows for easy porting of projects developed with previous UNO form factor boards and simplifies projects by utilizing a single power source.
Wi-Fi/Bluetooth and Arduino Cloud compatibility: The UNO R4 WiFi combines an ESP32-S3 coprocessor for seamless Wi-Fi and Bluetooth connectivity. It frees up the RA4M1 microcontroller for other tasks. With built-in Wi-Fi and Bluetooth, makers can create IoT projects, benefiting from standardized APIs and existing projects. The UNO R4 WiFi is fully compatible with Arduino Cloud, allowing remote data storage, interactive dashboards, Over-the-Air uploads, and variable sharing among boards.
LED matrix creativity: The UNO R4 WiFi boasts a vibrant 12x8 red LED matrix (96 dots) perfect for creative projects, animating visuals or plotting sensor data, all without requiring extra hardware. Users can utilize the provided API and tutorials for manual LED control via sketch code. Access a gallery of pre-made animations and leverage our online tool for easy creation of custom visual effects.

SaleRank No. #6

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

ATmega 328P Chip: UNO 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
UNO 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 UNO R3 works with all existing shields and can adapt to new shields that use these additional pins
Atmega16U2 Chip: The UNO 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 UNO r3 board. UNO R3 is fully compatible with Ard-uino UNO

Rank No. #7

Arduino UNO R4 Minima [ABX00080] - Renesas RA4M1 - USB-C, CAN, DAC (12 bit), OP AMP, SWD Connector

Enhanced and improved, the Arduino UNO R4 Minima is armed with a powerful 32-bit microcontroller courtesy of Renesas. Brace yourself for increased processing power, expanded memory, and a whole new level of on-board peripherals. The best part? Compatibility with existing shields and accessories remains intact, and there's no need to make any changes to the standard form factor or 5 V operating voltage.
Expanded memory and faster clock: Prepare for more precise calculations and the ability to handle complex projects with ease. The UNO R4 Minima boasts increased memory and a faster clock speed, empowering you to tackle demanding tasks effortlessly.
Extra on-board peripherals: The UNO R4 Minima introduces a range of on-board peripherals, including a 12-bit DAC, CAN BUS, OP AMP and SWD connector. These additional components provide you with expanded capabilities and flexibility in your designs.
Extended 24 V tolerance: The UNO R4 boards now support a wider input voltage range, allowing power supplies up to 24 V. This enables seamless integration with motors, LED strips, and other actuators, simplifying your projects by utilizing a single power source.
HID support: The UNO R4 comes with built-in HID (Human Interface Device) support, enabling it to simulate a mouse or keyboard when connected to a computer via a USB cable. This convenient feature makes it a breeze to send keystrokes and mouse movements to a computer, enhancing usability and functionality.

SaleRank No. #8

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

Completelycompatible with Arduino Uno R3
The BOARD now uses an 16U2 instead of the ATMega8U2 chip.This update is for the USB interface chip, theoretically it allows UNO to emulate USB HID, such as MIDI/Joystick/Keyboard.
More stable RESET circuit.The position of the RESET button has also changed.It has been moved to the corner of the board near the USB port, which is more convenient to press.
Pin changes:Two I2C pins were added next to the AREF pin (SDA and SCL are just copies of Analog 4 and 5, not additional I2C interfaces)In addition, two pins were added next to RESET, one is IOREF, which allows the expansion board to adapt to the onboard voltage,This pin only tells the expansion board what the current onboard voltage is (for example, UNO is 5V, which can be seen as a copy of the power pin and does not provide level pull-up), and the other is a placeholder pin for future use.
【What You Get】UNO R3 Board ATmega328P + USB Cable(Arduino-Compatible) for Arduino;12 Month Warranty with Replacement Coverage.Any issues with the UNO R3 Board, please contact us in the first time, we will do our best to help you.(The order number will serve as the warranty.)

Rank No. #9

Geekworm UNO R3 R4 Case | Protective Enclosure ABS Computer Box for Arduino UNO R4/UNO R3/UNO WiFi REV2/UNO REV3- Transparent

Compatibility: This Geekworm design ABS tranparent case is perfect compatible with Arduino Uno R4 Minima, Arduino Uno R4 WiFi, Arduino UNO R3 development board, UNO WiFi REV2 or UNO REV3
Net Weight: 21g; Case Size: 7.5 cm x 6 cm x 2 cm (2.95 inch x 2.36 inch x 0.78 inch); It is design with two nice "+" holes and 10 "-" holes for cooling system
It is very easy to install and mini attractive body to carry everywhere
Note: The UNO R3 board is not included in the packing list
Packing List: 1 x UNO R3 ABS Case-Transparent; 4 x M2.5x6 mm screws; 1 x 4 pcs rubber pads

Rank No. #10

WWZMDiB UNO R3 Board Compatible with Arduino IDE with USB Cable and 2.54mm Straight Pin Header ATmega328P

WWZMDiB UNO R3 Board Improved version: Modified the Compatible with Arduino UNO REV3 version, replaced 16u2, used CH340G driver, ensured complete consistency and compatibility with the original version, greatly reduced costs
Optimization 1: The driver of the CH340G chip can be installed automatically, without the need for tedious configuration operations like the Atmega16U2 chip, saving development time and effort and improving development efficiency
Optimization 2: Add pin headers to facilitate the use of DuPont wires
Optimization 3: Solve the problem of UNO R3 board being incompatible and unstable on win7 and win8 systems
Compatible with Arduino IDE Software Based on open source technology support

Last update on 2025-04-25 / Affiliate links / Images from Amazon Product Advertising API

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The Best Cheap Arduino Uno of 2022 – Reviewed and Top Rated

How Do You Buy The Best Cheap Arduino Uno?

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