[Travis Brown] just published a post about the traffic light controller he built. His number one goal was to make the device wireless (except for AC power) and he achieved this by using a WiFi shield ...

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 ...

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 ...

Both car manufacturers and state authorities have been struggling to boost vehicle efficiency and improve the safety of passengers and pedestrians for several years already. While the automotive ...