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Nano CH340 ATmega328 Unsoldered Arduino Compatible

Nano CH340 ATmega328 Unsoldered Arduino Compatible -  Do you ever need an Arduino Nano to fit in your custom PCB setup? This Arduino Nano solves that problem since it has unsoldered header pins. The advantage of this is that you can attach your Arduino Nano in a much lower profile. It works with a Mini-B USB cable.

How is Nano CH340 ATmega328 Unsoldered Compatible with Arduino?

With a smaller footprint than Uno, Nano (Arduino Nano Compatible Atmega328p+CH340) is built on the well-known Arduino platform and performs all of Uno's functionalities. The same potent microcontroller is provided for small plates on this development board. It works with Arduino and is excellent for quick prototyping and simple integration. It's essential for little projects where you don't require many pin-outs but the compact size is crucial for a professional appearance.

The board is less expensive than Nano with the FTDI USB-Serial Chip found in earlier versions of the Arduino Nano since it is equipped with a low-cost USB-Serial Chip. Based on the ATmega328, the Nano is a compact, comprehensive, and breadboard-friendly board. It only lacks a DC power jack and utilizes a Mini-B USB cable as opposed to a conventional one.

The board can be powered by a 6-12V unregulated external power supply (pin 30), a 5V regulated external power supply, or a mini-USB connection (pin 27). The greatest voltage source is automatically chosen as the power supply. The board's dimensions are just 43 x 18 mm, and it has 6 PWM I/O out of a total of 14 digital I/O, 8 analog inputs, a 16 MHz clock speed, and 32 kB of flash memory. It may be immediately programmed using the USB micro connection from the Arduino IDE.

Note: This board is an exact replica of the Arduino Nano with the same design. The Italian-made version is not the original. You may require some ch340 drivers because some PCs/laptops may not be able to use the CH340 chip directly.

The Nano CH340 ATmega328 Unsoldered Arduino Compatible is a microcontroller board based on the ATmega328P. It has similar functionality to the Arduino Nano but comes as an unsoldered version.

How To Use Nano CH340 ATmega328 Unsoldered Arduino Compatible?

Assemble the board - The first step is to assemble the board by soldering the components to the board. This includes the ATmega328P microcontroller, the CH340 USB-to-serial converter, and other components such as the crystal oscillator, capacitors, and resistors.

Install the Arduino IDE - The next step is to install the Arduino IDE on your computer. The Arduino IDE can be downloaded from the official Arduino website.

Connect the board to your computer - Connect the board to your computer using a USB cable. This will provide power to the board and also allow you to upload code to the board.

Configure the Arduino IDE - In the Arduino IDE, go to "Tools" and then "Board" to select the board you are using (Nano CH340 ATmega328 Unsoldered Arduino Compatible). Also, select the correct port under "Tools" and "Port"

Write and upload cod - Once the board is connected and configured, you can write and upload code to the board using the Arduino IDE. Simply write your code in the IDE, then click the "Upload" button to upload the code to the board.

Test and debug - Once the code is uploaded, you can test the board and debug any errors. The board can be used to control LEDs, motors, sensors, and other electronic devices.

Programming Of Nano CH340 ATmega328 Unsoldered Arduino Compatible

Programming the Nano CH340 ATmega328 Unsoldered Arduino Compatible is done through the Arduino IDE. Users can write code in the IDE, and then upload it to the board using a USB cable. The board is compatible with all programming languages supported by the Arduino IDE, including C++.


  • Microcontroller: Atmel ATmega328
  • Operating Voltage: 5V
  • Input Voltage: 7 - 12 V (5V logic)
  • Digital I/O Pins: 14 (of which 6 provide PWM output)
  • Analog Input Pins: 8
  • DC Current per I/O Pin: 40 mA
  • Flash Memory: 32 KB (ATmega328) of which 2 KB used by bootloader
  • SRAM: 1 KB or 2KB
  • EEPROM: 1 KB (ATmega328)
  • Clock Speed: 16 MHz

Nano CH340 ATmega328 Unsoldered Arduino Compatible

Nano CH340 ATmega328 Unsoldered Arduino Compatible

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