Getting an old traffic light and wiring it up to do its thing inside your house isn’t exactly a new trick; it’s so common that it wouldn’t normally pass muster for these hallowed pages. Even using one ...

[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 ...

Editor’s note: Last fall, EEWeb announced its inaugural design contest, sponsored by Arduino and Altium, to develop an imaginative and innovative design project of a motor control system with the ...

This four-way Traffic Light Controller (not an auto sequencer) is simple to build, as it features no integrated timers or logic circuits (555, microcontrollers etc.) and is ideal for model railroad ...

Traffic flow accounts for as much as one-third of global energy consumption. However, unconventional changes in managing traffic flow could significantly reduce harmful carbon dioxide emissions.