Arduino Nano CH340 Compatible – Mini Development Board for DIY Projects

Product Name

Arduino Nano CH340 – Mini Development Board for DIY Projects

Primary Function

Compact microcontroller board for embedded electronics prototyping and development

Microcontroller

ATmega328P (8-bit AVR RISC-based microcontroller)

USB to Serial Chip

CH340G (USB-to-UART converter)

Operating Voltage

5V

Input Voltage (Recommended)

7V – 12V via VIN pin

Digital I/O Pins

14 (6 PWM outputs)

Analog Input Pins

8

Clock Speed

16 MHz (external crystal oscillator)

Flash Memory

32 KB (2 KB used by bootloader)

SRAM / EEPROM

2 KB SRAM / 1 KB EEPROM

USB Connector Type

Mini USB (compatible with CH340 USB driver)

Key Features

Compact DIP-style board, breadboard-friendly, onboard power regulator, reset button, and LED on pin 13

Communication Interfaces

UART, I2C, SPI

Compatible Platforms

Arduino IDE, PlatformIO, compatible with Windows, macOS, Linux (CH340 driver required)

Applications

DIY electronics, home automation, robotics, sensor interfacing, wearable tech, 3D printers, and educational STEM projects

Professional Use Case

Ideal for prototyping compact and space-constrained electronic circuits with low power requirements

Expert Commentary

The Arduino Nano CH340 offers the full functionality of a standard Uno in a much smaller form factor and lower cost, making it a popular choice for hobbyists

Driver Requirement

Requires CH340 USB driver installation for first-time use

Operating Temperature Range

-40°C to +85°C

Compliance

RoHS Compliant

Stock & Availability

Readily available for single units or bulk orders; suitable for academic institutions and rapid development environments