The Arduino Nano is a small, complete, and breadboard-friendly board based on the ATmega328 (Arduino Nano 3.x). It has more or less the same functionality of the Arduino Uno, but in a different package. It lacks only a DC power jack, and works with a TYPE-C cable instead of a standard one.
## Arduino Nano Specification##
Microcontroller ATmega328
Operating voltage 5 V
Input voltage (VIN) 6-20 V
Power consumption 19 mA
Flash memory 32 KB of which 2 KB is used by bootloader
SRAM 2 KB
Clock speed 16 Mhz
EEPROM 1 KB
DC current per I/O pin 40 mA (20 mA recommended)
Digital I/O pins 22
PWM outputs 6 (D3, D5, D6, D9, D10, D11)
Analog input pins 8 (ADC 10 bit)
I2C A4 (SDA), A5 (SCL)
SPI D10 (SS), D11 (MOSI), D12 (MISO), D13 (SCK)
LED_BUILTIN D13
PCB size 18 x 45 mm
Weight 7 g