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Arduino Uno R3 Board compatible

Arduino Uno R3 Board compatible

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  • Development Board: Uno R3 CH340G ATMEGA328P for Arduino enthusiasts
  • Fully Compatible: Works seamlessly with Arduino Uno R3 projects
  • High-Quality Build: Designed for durability and performance
  • Wide Applications: Ideal for robotics, IoT, and automation projects
  • Easy to Use: Plug and play with a user-friendly interface
  • Tech Advancement: Features ATmega328P with CH340G for efficient data transfer

Uno R3 Board compatible with Arduino

Looking to buy the Uno R3 CH340G ATMEGA328P Development Board for your next Arduino project?

Look no further! Robocraze, your trusted online source for electronic components in India, offers this exceptional development board, fully compatible with Arduino Uno R3 projects. The Uno R3 CH340G ATMEGA328P Development Board is more than just a microcontroller board; it's a gateway to endless possibilities in the world of electronics and programming.

Crafted with precision and a focus on durability, this board is engineered to meet the demands of both beginners and experienced enthusiasts. Its versatility knows no bounds – whether you're into robotics, IoT, home automation, or creative automation projects, this board is your ideal companion.

The plug-and-play design, along with a user-friendly interface, makes it easy to use, even for those new to Arduino. Under the hood, it boasts an ATmega328P microcontroller with a CH340G USB-to-serial converter chip, ensuring seamless data transfer and efficient performance. You'll be amazed at how this development board accelerates your Arduino projects.

Now, let's talk price. At Robocraze, we believe in offering the best value for your investment. You can purchase the Uno R3 CH340G ATMEGA328P Development Board at a competitive price, with no hidden charges. Plus, we provide reliable, nationwide shipping to ensure your order reaches you in the fastest time and in perfect condition.

Read our blog smart dustbin project using Arduino detailing Arduino code for making a smart dustbin, the required components, and the circuit diagram for making an automatic dustbin project.

If you want to use this Uno R3 Board compatible with Arduino in your small or DIY projects, for that you will need few essential components like

check out : Arduino Uno R3 compatible Board ( Pack of 25)

Comparison of Arduino Uno Boards:


UNO Wifi



Microcontroller ATmega4809 ATmega328P (SMD) ATmega328P (Through hole)
USB connector Micro-USB USB-B USB-B
Digital I/O Pins 14 14 14
Analog input pins 6 6 6
PWM pins 5 6 6
UART Yes Yes Yes
I2C Yes Yes Yes
SPI Yes Yes Yes
I/O Voltage 5V 5V 5V
Input voltage (nominal) 7-12V 7-12V 7-12V
DC Current per I/O Pin 20mA 20 mA 20 mA
Power Supply Connector Barrel Plug Barrel Plug Barrel Plug
clock speed 16 MHz 16 MHz 16 MHz
USB-Serial chip ATmega16U2 CH340 ATmega16U2
SRAM 6.144KB 2KB 2KB
Flash Memory 48KB 32KB 32KB
EEPROM 256 Bytes 1KB 1KB
Dimensions 68.6 mm x 53.4 mm 68.6 mm x 53.4 mm 68.6 mm x 53.4 mm
RADIO MODULE u-blox NINA-W102 - -
Inertial Measurement Unit LSM6DS3TR (3D accelerometer) - -
LED_BUILTIN 25 13 13
Wi-Fi Microprocessor Yes - -


  • Arduino Music Instrument
  • Robot Car
  • Fingerprint door lock
  • Home Automation
  • Security systems

What is an UNO R3 (Arduino Compatible) Board?

Package Includes:


Microcontroller  ATmega328
Input Voltage 7-12V
Operating Voltage  5V
Digital I/O Pins  14
Analog Inputs  6
Flash Memory 32K
Clock Speed 16MHz
Dimensions  5 x 4 x 3cms
Weight  25 grams

Shipping & Returns

  • All orders confirmed before 3 pm IST are shipped on the
    same day, barring rare pickup delays on holidays or disturbances
  • Delivery time in Metro cities is 1-3 days, Others it is
    3-7 days. It varies based on location, reliant on courier services
  • Return window: 7 days from receipt unless stated
    otherwise. No refunds/replacements after
  • Returns only for non-working/damaged products are accepted
  • Initiate return requests to our customer service team via Support ticket or contact us at +91-8123057137
  • Refunds are processed within 3-4 working days post inspection and approval.

For more details, please check our Shipping and Return Policy

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1. Which development board to buy for beginners? 

The UNO is the most popular and best-selling board as it is the best board for learning about electronics and coding. If this is your first time tinkering with the platform, the UNO is the most robust board, to begin with. This board is equipped with an ATMEGA328 microcontroller. It has standard female pin headers with 2.54 mm spacing and is compatible with various shields. 

2. Is Uno useful for beginners? 

The Uno is the most popular development board, especially for beginners just starting to build projects. This board is equipped with an ATMEGA328 microcontroller. If you can imagine any project, you can build it. 

3. What is Uno R3 Board? 

The Uno is an open-source microcontroller board based on the Microchip ATmega328P microcontroller. The board has many digital and analog input/output pins that can be used to connect to expansion boards and other circuits. 

4. What is Arduino?

Arduino is an open-source electronics platform based on easy-to-use hardware and software. Arduino boards can take inputs - such as light from a sensor, a finger on a button, or a Twitter message - and convert them to outputs - such as turning on an LED, activating a motor, or publishing anything online. 

5. Is the Uno development board useful? 

The Uno is the most widely used, particularly among beginners who are just beginning to build projects. Uno is a great tool for learning new things and discovering new interests. You can build anything you can imagine. It becomes as simple as plugging it in, programming it, and having fun.