Arduino UNO R3 SMD ATmega328P Compatible Development Board
Key Points
- The SMD Arduino UNO R3 Developement Board, measuring 7 x 5 x 1cms.
- Get it to ensure the highest quality and durability.
- Features the ATmega328 microcontroller, 14 digital input/output pins, 6 analog inputs, 16MHz crystal oscillator, and more.
- The SMD Arduino UNO R3 is your canvas for innovation.
- This board plays nicely with Arduino and has the ability to sense the environment, control lights, motors, and other actuators.
- Flexible Power Options via USB or an external supply within the voltage range of 6-20V.
- Ideal choice as the best Arduino Uno compatible board for beginners and projects
Description
Arduino UNO R3 SMD ATmega328P Compatible Development Board
The Arduino UNO R3 SMD ATmega328P Compatible Development Board is an affordable and versatile microcontroller board designed for Arduino programming, robotics, IoT, automation, STEM learning, and DIY electronics projects. Powered by the ATmega328P microcontroller, it provides the core functionality required for a wide range of Arduino-compatible applications while offering a cost-effective alternative to the original Arduino UNO R3.
The SMD version features a permanently mounted ATmega328P microcontroller and a compact surface-mount design for improved durability and space efficiency. With 14 digital I/O pins, 6 analog input pins, PWM outputs, USB connectivity, and Arduino IDE compatibility, the board makes it easy to connect sensors, displays, motors, LEDs, relays, and other electronic components.
The integrated CH340 USB-to-Serial interface enables programming and serial communication through a USB connection. With a preloaded bootloader, the board is ready for uploading Arduino sketches after connecting it to a computer.
Whether you're learning Arduino programming, building a line-following robot, developing an IoT prototype, or experimenting with home automation, this Arduino UNO R3 SMD compatible board provides a practical platform for electronics development.
Pin Diagram

Features
ATmega328P Microcontroller
Provides reliable processing for Arduino projects, robotics, automation, sensor systems, and embedded applications.
14 Digital I/O & 6 Analog Inputs
Connect LEDs, sensors, motors, displays, relays, and other peripherals using the board's multiple input and output interfaces.
CH340 USB-to-Serial Interface
Provides USB connectivity for programming the board and communicating with a computer through the Arduino IDE.
PWM Support
PWM-enabled digital pins allow control of LED brightness, motor speed, servo-related applications, and other output devices.
Arduino IDE Compatibility
Upload sketches using the Arduino IDE and access a wide range of Arduino libraries, examples, and community-supported projects.
Arduino Shield Compatibility
Works seamlessly with motor drivers, Wi-Fi modules, LCD displays, Ethernet shields, sensor modules, and many other Arduino shields.
Compact SMD Design
The surface-mounted ATmega328P provides a compact and durable design suitable for long-term electronics and embedded projects.
Preloaded Bootloader
The board comes with a bootloader, allowing users to upload programs through the USB interface without requiring an external programmer.
Who Should Buy the Arduino UNO R3 SMD Board?
Beginners
An excellent platform for learning Arduino programming, electronics, sensors, and embedded systems through practical projects.
Students
Suitable for engineering assignments, STEM projects, robotics competitions, and electronics laboratory experiments.
Robotics Enthusiasts
Build line-following robots, obstacle-avoidance robots, robotic arms, autonomous systems, and motor-control projects.
IoT Developers
Create connected devices, environmental monitoring systems, and smart automation projects using the ESP32 Development Board, sensors, and communication modules.
Makers & DIY Hobbyists
Ideal for experimenting with home automation, smart gadgets, interactive electronics, and creative DIY projects.
Educators & Training Institutes
A practical development platform for teaching programming, electronics, robotics, and embedded-system fundamentals.
Why Choose This Arduino UNO R3 SMD Board?
- Affordable Arduino UNO R3 compatible development board.
- ATmega328P microcontroller for reliable project performance.
- 14 digital I/O and 6 analog input pins.
- CH340 USB-to-Serial interface for programming.
- Compatible with Arduino IDE and Arduino libraries.
- Supports a wide range of Arduino shields and modules.
- Compact SMD construction.
- Suitable for beginners, students, makers, and developers.
- Ideal for robotics, IoT, automation, and STEM projects.
Arduino UNO R3 SMD Compatible Board Price in India
The Arduino UNO R3 SMD Compatible Board price in India is ₹232 at Robocraze. The final price may vary depending on stock availability, ongoing offers, combo deals, and promotional discounts.
Robocraze provides Arduino-compatible development boards with secure packaging, technical assistance, GST billing, and customer support for electronics and robotics projects.
Why Buy from Robocraze?
- Quality Arduino-Compatible Development Board
- Verified Sourcing
- Secure Packaging
- Fast Shipping Across India
- GST Invoice Available
- Dedicated Technical Support
- Reliable After-Sales Assistance
Ideal For
Arduino Programming & Learning
Learn Arduino programming, electronics, sensors, and embedded-system fundamentals through hands-on projects.
Robotics Projects
Build line-following robots, obstacle-avoidance robots, robotic arms, autonomous vehicles, and motor-control systems.
IoT Development
Create sensor-based monitoring systems and connected prototypes using compatible communication and wireless modules.
Home Automation
Develop smart lighting, appliance control, security systems, and sensor-based home automation projects.
STEM Education
Suitable for schools, colleges, training institutes, and STEM labs teaching electronics, programming, and robotics.
Sensor Interfacing
Connect temperature, humidity, motion, distance, light, and other sensors for measurement and monitoring projects.
Embedded Systems
Develop microcontroller-based applications and learn fundamental embedded programming and hardware interfacing.
DIY Electronics
Build custom electronic gadgets, interactive devices, automation projects, and creative maker projects.
Smart Agriculture
Develop basic agricultural monitoring systems using sensors for soil moisture, temperature, humidity, and environmental conditions.
Rapid Prototyping
Quickly test circuits, control systems, sensors, and embedded concepts before developing more advanced hardware
Specifications
Package Includes:
- 1 x UNO SMD Board compatible with Arduino
UNO R3 SMD ATmega328P Development Board Specifications:
| Microcontroller | ATmega328 |
|---|---|
| Digital I/O Pins | 14 |
| Analog Inputs | 6 |
| Crystal Oscillator Frequency | 16MHz |
| Operating Voltage | 6-20V |
| Dimensions | 7 x 5 x 1cms |
| Weight | 10 grams |
Additional Resources
Shipping & Return
Shipping Policy
- Free Delivery on all Orders Above Rs 999/-
- All orders confirmed before 3:00 PM IST are shipped the same day, barring rare pickup delays on holidays or disturbances.
- Delivery time in Metro cities is 1–3 days; for other locations, it is 3–7 days. Delivery varies based on location and courier service.
Return & Refund Policy
- Return window: 7 days from receipt unless stated otherwise.
- No refunds or replacements after the return window.
- Returns are accepted only for non-working or damaged products.
- Initiate return requests via a Support ticket or contact us.
- Refunds are processed within 3–4 working days after inspection and approval.
| Mfr. Part No | DEV-11224 |
|---|---|
| 9INE Part No | 100-DEV-11224 |