Arduino Nano R3 ATmega328P CH340G 16MHz

The Nano Board R3 with CH340 Chip is a compact, breadboard-friendly microcontroller board based on the ATmega328P, delivering the core functionality of an Arduino UNO in a much smaller footprint. It uses the CH340 USB-to-Serial converter as a cost-effective alternative to FTDI-based Nano boards, connects via Mini-USB, and is fully compatible with the Arduino IDE. Ideal for compact embedded systems, breadboard prototyping, sensor interfacing, robotics, and educational applications where size, cost, and simplicity are critical.

Key Specifications

• Item Type: Development Board (Unsoldered)
• Board Type: Nano R3
• Microcontroller: ATmega328P-AU
• USB-to-Serial Converter: CH340
• Operating Voltage (Logic Level): 5 V
• Clock Speed: 16 MHz
• USB Interface: Mini-USB (Type-B)
• Bootloader: Pre-installed (Old Bootloader)
• IDE Compatibility: Arduino IDE
• Flash Memory: 32 KB
• SRAM: 2 KB
• EEPROM: 1 KB
• Power via Mini-USB: 5 V
• Recommended External Input Voltage: 7 – 12 V
• Input Voltage Limit: 6 – 20 V
• External Power Pins: VIN (Pin 30), 5V (Pin 27)
• Automatic Power Source Selection
• Supports 9V Battery Power
• Digital I/O Pins: 14 (D0–D13)
• PWM Pins: 6 (D3, D5, D6, D9, D10, D11)
• Analog Input Pins: 8 (A0–A7)
• DC Current per I/O Pin: 40 mA (Max)
• TTL Serial Communication: RX / TX
• ICSP Header: Supported
• PCB Size (L × W): 43 × 18 mm
• Form Factor: Nano (Breadboard Friendly)
• USB Connector Type: Mini-USB
• Headers: Not Soldered
• Net Weight: 6 g

Package Includes

• 1 x Nano Board R3 with CH340 Chip Mini-USB Port Compatible with Arduino (Unsoldered)

Note: Image is for representation purpose only.