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Arduino Nano V3.0 Development Board 16MHz CH340 Type-C

SKU: 6LYB5L30I5
The Arduino-compatible Nano V3.0 is a compact and fully functional microcontroller board based on the ATmega328 MCU. It offers nearly the same functionality as the Arduino Duemilanove but in a much smaller form factor. Unlike larger boards, it does not include a DC power jack and uses a compact Mini USB (Mini-B) connector instead of a standard USB port. The...
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Specifications

Specifications:

  1. Product: Arduino NANO
  2. Model: Nano V3.0 CH340
  3. Processor: ATmega328
  4. Operating Voltage: 5V
  5. Crystal oscillator: 16MHz.
  6. Memory: 32 KB of Which 2 KB Used By Boot loader
  7. Max Supply Voltage: 6V – 20V
  8. USB Connector: 2.0 Ports Mini USB
  9. Digital I/O Pins: 22
  10. Cable Type: TYPE C
  11. 8 analog inputs ports: A0 – A7

Additional Resources

Nano V3.0 Development Board 16MHz CH340 Type-C.PDF

FAQ

1. What makes this version of the Arduino Nano different from the standard one?

This board replaces the older Mini-USB port with a modern USB Type-C connector, which is more durable and reversible. It also uses the CH340 USB-to-Serial chip instead of the FTDI chip to keep costs low while maintaining full compatibility with the Arduino IDE.

2. Is it 100% compatible with official Arduino software?

Yes. It uses the same ATmega328P microcontroller as the official Arduino Nano and Uno. You can use the same libraries, shields, and sketches.

3. My computer doesn't recognize the board. What should I do?

Because this board uses the CH340 chip, you likely need to install the CH340 drivers. Windows 10/11 often installs them automatically, but if your COM port isn't showing up, download and install the "CH341SER" driver from the manufacturer (WCH) website.

4. Which settings should I use in the Arduino IDE?

Use the following configuration:

  • Board: "Arduino Nano"
  • Processor: "ATmega328P" (If it fails to upload, try selecting "ATmega328P (Old Bootloader)").
  • Port: Select the COM port that appears when you plug the board in.

5. Can I power the board and use the serial monitor at the same time?

Yes. The Type-C port provides both power and data. The board automatically selects the highest voltage source if you have both USB and external power (Vin) connected.

6. How much current can each pin handle?

Each I/O pin can provide or receive a maximum of 40mA, but for long-term stability, it is recommended to keep it under 20mA. The total current for all pins combined should not exceed 200mA.

7. Can I use this for battery-powered projects?

Yes! Its small footprint makes it ideal for wearables or portable gadgets. You can power it via a 7.4V Li-ion battery pack through the Vin and GND pins.

View full product details

The Arduino-compatible Nano V3.0 is a compact and fully functional microcontroller board based on the ATmega328 MCU. It offers nearly the same functionality as the Arduino Duemilanove but in a much smaller form factor.

Unlike larger boards, it does not include a DC power jack and uses a compact Mini USB (Mini-B) connector instead of a standard USB port. The board is fully compatible with Arduino programs and works seamlessly with the Arduino IDE.

This Nano version uses the CH340G USB interface controller for USB-to-serial communication.

The board can be powered through the Mini USB connection, a 6–20V unregulated external power supply (Pin 30), or a regulated 5V external supply (Pin 27). The power source is automatically selected based on the highest available voltage.

What is CH340?

CH340 is a USB bus conversion chip that enables USB-to-UART communication. It allows computers to communicate with serial devices via USB. In UART mode, it supports common MODEM handshake signals, making it ideal for expanding serial interfaces or converting traditional serial devices to USB.

Features

Supports ISP download
Easy to use and handle
Ideal for electronic and DIY projects
Compact size, perfect for space-constrained applications
Functionally equivalent to larger Arduino boards
Breadboard-friendly design for easy prototyping