[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 … ...

Described here is an interesting circuit of an Arduino-based Christmas LED Light Bar. It is very simple so that even a novice can build it without any difficulty. It is infact a 3-channel sequential ...

Build Your Own Arduino-Powered Bicycle Lights, Turn Signals, and Odometer for Safe Night Riding. Thorin Klosowski. November 29, 2012 Riding a bicycle at ...

The Arduino uses latitude and longitude to help decide when to click on the lights, so it's incredibly accurate. Otherwise, the build just includes an on/off switch, a Tiny RTC, a time adjustment ...