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Modern Traffic light work mostly on either timers ( to control traffic), or isolation loops(to “sense” when a vehicle is present). Isolation loops are great for cars because the metal of the car disrupts the resistance of the loop, telling the traffic light that it should change. (more…)

With the help of one of my old staff members, we put together a light-sensitive switch for my 97 Taurus’ headlights. It’s perfect for me, since I’m so lazy. Sun goes down, lights turn on. Sun come back up, lights go off. Right now its just on the head lights, I plan to make one to control both the parking lights and the high-beams in the near future. As I make up the other ones, I’ll be sure to list a schematic and part list.