Interact with Arduino through serial

In this post I will show how to use the USB serial interface to issue commands …

Beating heart with Arduino and a MAX7219 8x8 LED matrix

This is a very simple project to display a beating heart using and Arduino boar…

Driving a LED strip with Arduino

Do you know those cheap LED strips? These are often called "analog" L…

Fading colors with an RGB LED

In this post I will explain how to make a simple fading RGB LED. The code smoot…

LED Blink

This is the very first project of every Arduino owner... make a LED blink. Hard…

LED basics

A light-emitting diode (LED) is a diode which emits light when activated. To li…

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