Description
The Arduino UNO R3 SMD with USB Cable is a reliable and beginner-friendly microcontroller board designed for students, engineers, DIY makers, and electronics enthusiasts. Built on the powerful ATmega328P microcontroller, it is ideal for learning programming, developing prototypes, and creating innovative embedded systems. The SMD (Surface Mount Device) design enhances durability and makes the board more cost-effective than the traditional DIP version.
This board features the CH340 USB-to-Serial converter, ensuring smooth and stable communication between the Arduino and your computer. The CH340 chip is known for its affordability, easy driver installation, and dependable performance, making it a practical choice for both beginners and professionals.
The Arduino UNO R3 SMD is widely used in robotics, IoT systems, home automation, smart devices, and sensor-based applications. Getting started is simple—connect the board to your computer using the included USB cable, install the Arduino IDE, select the correct board and COM port, and upload your code.
It is especially beneficial for students working on school and college projects such as line-following robots, obstacle-avoiding robots, smart irrigation systems, temperature monitoring systems, and automatic lighting solutions. For complete prototyping, pair this board with essential components like a breadboard, jumper wires, sensors, and an LCD display.
Features
- Powered by ATmega328P microcontroller
- Durable and compact SMD design
- Integrated CH340 USB-to-Serial converter
- Compatible with Arduino IDE
- Supports a wide range of sensors and modules
- Ideal for beginners, students, and professionals
- Cost-effective and easy to use
- Includes USB cable for instant setup
Specifications
- Microcontroller: ATmega328P
- Operating Voltage: 5V
- Input Voltage: 7–12V (Recommended)
- Digital I/O Pins: 14 (6 PWM)
- Analog Input Pins: 6
- Flash Memory: 32 KB
- SRAM: 2 KB
- EEPROM: 1 KB
- Clock Speed: 16 MHz
- USB Interface: CH340
- Connectivity: USB Type-B
- Board Type: Arduino UNO R3 SMD
Applications
- Robotics and automation projects
- Internet of Things (IoT) systems
- Home and industrial automation
- Embedded system development
- Sensor interfacing and control systems
- Educational and research projects
- DIY electronics and prototyping
Package Includes
- 1 × Arduino UNO R3 SMD Development Board
- 1 × USB Cable (CH340 Compatible)
FAQ
1. What is the ATmega328P CH340?
The ATmega328P CH340 refers to an Arduino UNO R3 SMD board that uses the ATmega328P microcontroller along with the CH340 USB-to-Serial converter. The ATmega328P controls the processing and execution of programs, while the CH340 chip enables communication between the Arduino board and a computer via USB.
2. What is the use of the CH340 chip?
The CH340 chip is used for USB-to-Serial communication. It allows the Arduino board to connect to a computer for programming and data transfer. It is a cost-effective and reliable alternative to other USB interface chips and is widely used in Arduino-compatible boards.
3. Is the Arduino UNO R3 good for beginners?
Yes, the Arduino UNO R3 is one of the best microcontroller boards for beginners. It is easy to use, compatible with the Arduino IDE, and supported by a vast global community. Its simplicity and versatility make it ideal for students, hobbyists, and first-time learners in electronics and programming.
4. What is the advantage of the CH340 chip?
The CH340 chip provides reliable and stable USB-to-serial communication between the Arduino board and your computer. It is a cost-effective alternative to other USB interface chips while maintaining excellent performance. The CH340 is widely supported across operating systems and ensures smooth uploading of programs, making it an ideal choice for students, beginners, and professionals.
5. Does it come with a USB cable?
Yes, the Arduino UNO R3 SMD comes with a compatible USB cable included in the package. This allows you to power the board and upload programs immediately without needing to purchase any additional accessories. Simply plug it into your computer and start working on your projects right away.






Reviews
There are no reviews yet.