This is tutorial number 1 from our series of Arduino tutorials and in this part I will talk about blinking an LED using the one already available on the Arduino Uno board or using an external LED to ...

This project creates five different lighting patterns including ring counter and Johnson counter by clicking appropriate pushbuttons in the GUI. The blinking speed of LEDs can also be controlled using ...

LED Blink This repository contains a simple Arduino code snippet for blinking an LED using an Arduino UNO microcontroller. The code demonstrates the basic usage of digital pins and the delay function ...

You could put the Arduino in deep sleep, if you wanted to and that LED will still blink. With a little work, you could probably adapt this idea to any number of circuits out of the 555 playbook ...