Arduino Uno R3 CH340 SMD with cable

Arduino Uno R3 CH340 SMD with Cable

Overview

• Arduino Uno R3 CH340 SMD with Cable is a reliable and cost-effective microcontroller development board designed for learning, prototyping, and professional electronics projects. This version uses the ATmega328P microcontroller in an SMD package and integrates the CH340 USB-to-Serial converter, offering stable communication with computers while keeping the overall cost accessible. The included USB cable allows users to start programming immediately without needing additional accessories.

• Arduino Uno R3 CH340 SMD with Cable follows the standard Arduino Uno R3 layout, ensuring full compatibility with Arduino shields, libraries, and the Arduino IDE. As a result, beginners and experienced developers can use it confidently for a wide variety of applications.

Microcontroller and Performance

• The board is powered by the ATmega328P microcontroller running at 16 MHz with 5V logic. This configuration provides reliable performance for digital and analog control tasks. Moreover, it supports a wide range of sensors, modules, and actuators that operate at standard 5V levels.

• In addition, the SMD-mounted microcontroller improves mechanical durability compared to DIP versions. This makes the board more suitable for long-term projects and environments where vibration or frequent handling occurs.

USB Interface and Connectivity

• Arduino Uno R3 CH340 SMD with Cable uses the CH340 USB-to-Serial chip to handle programming and serial communication. This chip delivers stable data transfer and works smoothly with the Arduino IDE after driver installation. Therefore, users can upload sketches, monitor serial data, and debug projects efficiently.

• Furthermore, the included USB cable ensures consistent power delivery and reliable communication. This makes the board ready for immediate use in classrooms, workshops, and home labs.

Ease of Use and Expandability

• The board provides a balanced set of digital and analog I/O pins. Developers can use PWM outputs, ADC inputs, and communication interfaces such as SPI, I2C, and UART to build complex systems. Consequently, it works well for robotics, automation, and embedded control projects.

• Additionally, Arduino Uno R3 CH340 SMD with Cable supports the full Arduino shield ecosystem. Users can easily add motor drivers, Ethernet modules, LCDs, relays, and wireless shields without modifying the base board.

Learning and Practical Applications

• Educators prefer this board for teaching electronics and programming because it offers a simple setup and strong community support. Students can focus on coding and circuit design instead of hardware complexity.

• At the same time, professionals use it for rapid prototyping and proof-of-concept development. Its consistent behavior and broad library support reduce development time significantly.

Typical Applications

• Arduino learning and education

• Prototyping and testing circuits

• Robotics and automation systems

• IoT and sensor-based projects

• DIY electronics and hobby projects

Key Features

• ATmega328P SMD microcontroller

• CH340 USB-to-Serial interface

• 16 MHz clock frequency

• 5V operating voltage

• Compatible with Arduino shields

• Includes USB cable for power and programming

Datasheet (Technical Specifications)

• Microcontroller: ATmega328P (SMD)

• Operating Voltage: 5V

• Input Voltage (recommended): 7–12V

• Clock Speed: 16 MHz

• Flash Memory: 32 KB

• SRAM: 2 KB

• EEPROM: 1 KB

• Digital I/O Pins: 14 (6 PWM outputs)

• Analog Input Pins: 6

• Communication Interfaces: UART, SPI, I2C

• USB Interface: CH340 USB-to-Serial

• Included Accessories: USB cable