ADIY UNO R3 ATMEGA328P CH340K Microcontroller Board Compatible.
ADIY UNO R3 ATMEGA328P CH340K Microcontroller Board Compatible.
ADIY UNO R3 ATMEGA328P CH340K Microcontroller Board Compatible.
ADIY UNO R3 ATMEGA328P CH340K Microcontroller Board Compatible.

ADIY UNO R3 ATMEGA328P CH340K Microcontroller Board Compatible

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SKU: BE01523
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Categories: Arduino Arduino Boards
Description

The ADIY UNO R3 CH340K ATmega328P Development Board is a low-cost, fully compatible alternative to the traditional Arduino Uno R3. It features the CH340K USB-to-Serial chip instead of the more expensive ATmega16U2, offering the same functionality and performance at a more affordable price.
During operation, this board behaves identically to standard Uno R3 boards, with the CH340K chip only handling USB communication and programming. Built around the ATmega328P microcontroller in SMD format, this board is ideal for compact, reliable electronics projects.

The board also features dual pin headers (male and female) and additional rows for easy prototyping and jumper wire use. Whether you're a student, hobbyist, or professional, the ADIY Uno R3 CH340K offers everything needed for building, programming, and experimenting with Arduino-based projects.

Setup is simple:

  1. Download the Arduino IDE from: arduino.cc/en/Main/Software

  2. Install the CH340K USB driver from: 5v.ru/zip/ch341ser.zip

  3. Connect the board, select "UNO" as your board type, choose the correct COM port, and upload your sketch!


Applications

• Arduino-compatible learning and development
• Educational kits and STEM labs
• Prototyping IoT and automation systems
• Robotics, sensor interfacing, and LED control
• Microcontroller-based embedded projects


Features

• Based on ATmega328P microcontroller (SMD version)
• Low-cost CH340K USB to Serial converter
• Arduino IDE compatible – plug & play
• Dual pin headers (male & female) for easy jumper connection
• Onboard LEDs for power, TX, RX, and digital pin 13 (L)
• Powered via USB or external DC jack
• Compact and lightweight for embedded setups



Package Includes

1 x ADIY UNO R3 CH340K ATmega328P Development Board