The specifications of the latest version of the Arduino Nano can be found below.
The only thing that is missing is a DC power jack and it works with a Mini-B USB cable instead of a standard one. It has more or less the same functionality as the Arduino Uno but in a smaller form factor. The Nano is a breadboard-friendly board, based on the ATmega328 8-bit microcontroller by Atmel (Microchip Technology). The Arduino Nano was first released in 2008 and is still one of the most popular Arduino boards available. MAX7219 LED dot matrix display Arduino tutorial.
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