Arduino® NanoFeaturesATmega328 Microcontroller High-performance low-power 8-bit processor Achieve up to 16 MIPS for 16 MHz clock frequency 32 kB of which 2 KB used by bootloader 2 kB internal SRAM 1 kB EEPROM 32 x 8 General Purpose Working Registers Real Time Counter with Separate Oscillator Six PWM Channels Programmable Serial USART Master/Slave SPI Serial Interface Power Mini-B USB connection 7-15V unregulated external power supply (pin 30) 5V regulated external power supply (pin 27) Sleep Modes Idle ADC Noise Reduction Power-save Power-down Standby Extended Standby I/O 20 Digital 8 Analog 6 PWM Output 2 / 26 Arduino® Nano Modified: 10/04/2025