The Arduino Pro Mini used to control the traffic light is not only responsible for playing the tones through a piezo speaker, but as you might expect, for firing off the relays which ultimately ...

[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 ...

A security researcher says he found a flaw in a traffic light controller that would potentially allow malicious hackers to change the lights and create traffic jams. Andrew Lemon, a researcher at ...