Traffic light model

Boost MeIf you liked it, please support me with boosts!Arduino-powered traffic light toy for kids diecast car. It's not perfect for publishing here, but I upload this since someone may be think it's useful.This is an initial version and many things need to be improved.But, what's important, it's working! Below is the latch power circuit for the button. Personally, I added a piezo speaker's positive end to pin 2 so that it makes sounds.3, 4, 5 are for red, orange, and green po