lumaHelm: use your head

In development, exertiongameslab.org

By covering a standard cycling helmet with thin strips of LEDs (104 in total) and fitting it with a tiny Arduino controller, the cycleboffins at the Exertion Games lab have a new way for cyclists to indicate. Rather than sticking your arm out, simply nod to one side and the LEDs on that side will flash orange. Braking? Flick your head back and the rear side flashes red. Set it up synced to your heart rate, and show others how close you are to collapsing.

Status On Its way, slowly