UNO R3 CH340 / ATmega328P MCU Control Board

The UNO R3 CH340 is an advanced, easy-to-use open-source controller motherboard that is perfect for a myriad of applications, including 3D printing, robotics, and home automation. Built on the reliable Atmega328P microcontroller, this versatile development board allows enthusiasts and professionals alike to explore the vast world of embedded systems without the need for additional programmers.

Key Features

• Easy Connectivity: The UNO R3 can be directly connected to a computer via a USB cable, facilitating simple programming, compiling, and burning processes using the Arduino IDE.
• Versatile Expansion: The board supports various shields and peripheral modules, enabling you to enhance its functionality effortlessly.
• Precise Structure: Designed with 4 M3 screw positioning holes, users can easily fix and mount the board securely within their projects.
• User-Friendly Design: The strategically placed reset button in the upper left corner allows for quick resets during development or testing phases.
• Abundant Resources: A wide range of peripheral modules are available, allowing for endless possibilities in project development.

Specification Overview

The UNO R3 CH340 is not just another microcontroller board; it is built with user convenience and functionality in mind. Here’s an overview of its specifications:

• Microcontroller: ATmega328P
• Operating Voltage: 5V
• Input Voltage (recommended): 7-12V
• Digital I/O Pins: 14 (of which 6 provide PWM output)
• Analog Input Pins: 6
• Flash Memory: 32 KB (ATmega328P) of which 0.5 KB used by bootloader
• SRAM: 2 KB (ATmega328P)
• EEPROM: 1 KB (ATmega328P)
• Clock Speed: 16 MHz
• Dimensions: 68.6mm x 53.4mm

Applications

The versatility of the UNO R3 makes it ideal for various applications, including but not limited to:

• 3D Printing: Perfect for controlling 3D printers, enabling precise movements and temperature control.
• Robotics: A great choice for robotic applications, whether it be for hobbyist projects or educational purposes.
• Home Automation: Integrate the UNO R3 into smart home systems to control devices remotely.
• Sensor Projects: Easily connect various sensors for data collection and automation tasks.
• Wearable Technology: Ideal for creating compact wearable devices that require microcontroller functionality.

Getting Started

Setting up your UNO R3