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The Arduino Nano is very similar to the Arduino Uno, but in a smaller form factor. It carries the same ATmega328p chip, which has 32K bytes of Flash program memory, 2k bytes of SRAM and 1K bytes of EEPROM. For more information, see the wokwi-arduino-uno reference.

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Differences from the Arduino Uno

The Arduino Nano includes two extra analog pins: A6 and A7. These pins can only be used for Analog input. They can’t be used as digital GPIO pins.

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