Arduino traffic lights simulator, part 1

This is a great little project for learning about Arduino programming as well as LEDs and resistors.

I’ll show how to build a traffic light simulator on a breadboard and write an Arduino sketch to control it.  This first part is about building the circuit, while the second part will focus on the sketch.

And:  No soldering required.


You will need the following parts.  I’ve provided links to product description pages, in case you’re not sure what to get.

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