You can have a lot of fun with a tiny traffic light using an Arduino and three different color lights. There are bunch of things you can do to build on it. - 3

You can have a lot of fun with a tiny traffic light using an Arduino and three different color lights. There are bunch of things you can do to build on it. - 3d print a stand (here's one I did https://github.com/SalvatoreT/howmm/blob/master/week06/TrafficLightModel.stl https://github.com/SalvatoreT/howmm/blob/master/week06/Traff...) - incorporate an infrared sensor + infrared light to simulate triggering the red -> green flow - make an intersection with each of the lights working together to show the right thing at the right time - add a crosswalk