Traffic lights follow the same green-amber-red order during the day, but at night, some of them switch to flashing certain colors. Why does that happen?

Once the premium option for data transfers and remote control for high-end audiovisual and other devices, FireWire (IEEE 1394) has been dying a slow death ever since Apple and Sony switched over ...

In this project, I'll make a small circuit capable of blinking lights, on its output we get a digital signal that we can use ...