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DESCRIPTION
The Arduino Nano V3.0 CH340 ATmega328P USB to TTL Development Board is a compact, breadboard-friendly microcontroller board based on the ATmega328P. It offers nearly the same functionality as the Arduino Uno but in a much smaller form factor, making it ideal for embedded and portable projects. The CH340 chip provides USB-to-serial communication for programming and debugging.
Feature | Description |
Board | Arduino Nano V3.0 (CH340 Version) |
Microcontroller | ATmega328P |
USB Interface | CH340G USB-to-TTL Converter |
Operating Voltage | 5 V |
Input Voltage (VIN) | 6–12 V (recommended 7–12 V) |
Clock Speed | 16 MHz |
Flash Memory | 32 KB (2 KB used by bootloader) |
SRAM | 2 KB |
EEPROM | 1 KB |
Digital I/O Pins | 14 (D0–D13) |
PWM Pins | 6 (D3, D5, D6, D9, D10, D11) |
Analog Inputs | 8 (A0–A7) |
Communication | UART, I²C, SPI |
USB Connector | Mini USB |
Dimensions | Approximately 45 × 18 mm |
Pin Group | Description |
D0–D13 | Digital input/output |
A0–A7 | Analog input pins (A0–A5 can also be used as digital I/O) |
VIN | External power input |
5V | Regulated 5 V output/input |
3.3V | 3.3 V output (limited current) |
GND | Ground |
RESET | Reset pin |
TX (D1) | UART Transmit |
RX (D0) | UART Receive |