Understanding the engineering specifications of the Arduino Nano is essential. The Arduino Nano is powered by the ATmega328P microcontroller, which provides stable performance and supports a wide range of libraries within the Arduino project ecosystem.

Specifications

• Microcontroller: ATmega328P
• Clock Speed: 16 MHz
• Flash Memory: 32 KB (2 KB used by the bootloader)
• SRAM: 2 KB
• EEPROM: 1 KB
• USB Interface: Mini USB
• Digital I/O Pins: 14 pins (6 support PWM)
• Analog Input Pins: 8 pins
• PWM Pins: 6 pins (D3, D5, D6, D9, D10, D11)
• Operating Voltage: 5V
• Input Voltage (VIN): 7–12V via the VIN pin
• DC Current per I/O Pin: 20 mA (40 mA maximum)
• Communication Interfaces: UART, I2C, SPI
• Dimensions: Approximately 18 × 45 mm
• Header Pins: Unsoldered, compatible with both straight and right-angle header pins