How to make a group of LEDS blink alternatively with a NE555 for your christmas tree

Hi friends doers,

Here we go again for a new tutorial.

You can see around you things blinking all the time if you live in a city (signs, billboards, lights and more). If you want want to know how to make the same maker project, you are the right place for a nice step by step tutorial.


Before starting, you need to gather the following hardware:

  • A prototyping board (breadboard)

  • 6 LEDs

  • 1 68Kohm potentiometer

  • 1 390 ohm