Here is a traffic light system based on Arduino that can be used in a 3-way ond 4-way intersections. It has an additional blinking orange led that is used to signal when the pedestrians can cross the ...
[Rockwell] sent us an update on his traffic light hacking. Dedicated readers will remember seeing this legally attained traffic signal controlled through a parallel port from back in 2005. The new ...
There are plenty of software applications and services available to monitor servers, alerting you if you have a problem. But none of them come close to the awesomeness of this traffic light server ...