Arduino Uno R3 Pinouts

Arduino Pinout

I myself own an Arduino Uno R3 and found that it can simplify my projects development and microcontroller programming, but sometimes I need to know the Arduino pinout. That is why I have written this article. There are many arduino boards with different pinouts. We will start with my favorite: Arduino Uno.


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  • mowerguy

    Thanks for publishing this!

    You have piqued my interest in the Arduino and I have an UNO R3 on order. This aspect of electronics is fascinating.

    All The Best,

    Bob Lewis

    • Popescu Marian

      I am glad that you decided to give it a try. I am pretty sure you will enjoy working with Arduino.