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So, let’s break down each kind of pin, one by one.

You may find that quite difficult to understand at first.

Here’s a global visual description of all the pins you can find on an Arduino Uno board. Communication protocols through Arduino pins.Powering components from the Arduino Uno power pins.You are learning how to use Arduino to build your own projects?Ĭheck out Arduino For Beginners and learn step by step.Īfter watching the video, subscribe to the Robotics Back-End Youtube channel so you don’t miss the next tutorials! > Watch this video as an additional resource to this article: This post is focused on Arduino Uno board, but most of the explanations (except for the pin numbers on the circuit board) are also valid for any other Arduino board. I’ll also give you some examples of sensors/actuators that you can use with each pin functionality. And some tips on how to connect other devices to your Arduino pins.If you’re starting with Arduino, or if you’re already a software developer and want to learn more about the bridge between software and hardware on an Arduino board, then you’ve come to the right place! In this post I’ll give you a complete and practical overview of the main Arduino Uno pins. The Arduino Uno board has over 20 pins that you can use for many different applications.