Christian Nguyen: This car lights up with something called LumiLor. It's not LED light, but paint. And not just glow-in-the-dark paint, but a special kind of paint that turns on and off by ...

Quit struggling with hastily patched together electronics for your light painting images ... long-exposure camera pointed its way. The RGB LED strip is controlled by the guts of a tiny little ...

Light painting ... we saw that used a white LED to draw pictures within the build volume of a delta printer. Just like the last time, [ekaggrat] wired LEDs up to a RAMPS board and toggled ...