[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 ...

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 ...