The Arduino Nano V3.0 is a miniature version of the Arduino UNO, featuring the same ATmega328P microcontroller in a compact DIP-style layout. This version uses the CH340G USB-to-serial chip and a Mini USB connector for programming and communication.
Specifications
- Microcontroller: ATmega328P
- USB Interface: CH340G USB-to-serial bridge
- USB Connector: Mini USB (Type-B)
- Operating Voltage: 5 V
- Input Voltage (VIN): 7 V – 9 V
- Digital I/O Pins: 14 (of which 6 support PWM)
- Analog Input Pins: 8 (A0–A7)
- DC Current per I/O Pin: 40 mA max
- Flash Memory: 32 KB (0.5 KB used by bootloader)
- SRAM: 2 KB
- EEPROM: 1 KB
- Clock Speed: 16 MHz
- Programming Support: Arduino IDE, PlatformIO
- Bootloader: Optiboot (standard Arduino Nano)
Features
- Compact DIP-style form factor for breadboard use
- CH340G USB interface for reliable serial communication
- Compatible with Arduino UNO sketches and libraries
- Ideal for embedded control, sensor interfacing, and automation
- Common use cases:
– STEM kits and classroom projects
– Robotics and motor control
– Sensor data logging
– Serial-controlled relays, displays, and actuators