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 ...

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 ...

To make things a little easier on yourself, Arduino shield-maker 1Sheeld shows off how to hack a clock to change color depending on traffic conditions.