If necessity is the mother of invention, what’s failure the mother of? Improvement? Anyway, [prpplague]’s second version of his roll-up 70×30 RGB LED display looks a lot better and more reliable than the first, and that’s precisely due to “failing”.

LED TVs are about to get a lot better. As demonstrated by Hisense and to some extent Samsung at CES 2025, a new backlight technology called RGB LED is poised to improve the quality and efficiency of TVs that use LED backlights and LCD panels to work their ...

Samsung provided ground transportation from Brooklyn, New York, to Englewood Cliffs, New Jersey, so Ars could demo its Micro RGB TV. Ars does not accept paid editorial content. ENGLEWOOD CLIFFS, New Jersey—Micro LED is still years away, but the next best ...

Clocks made from blinking LEDs always make for fun projects. [Earthshine] built a clock that displays time abstractly using an 8×8 RGB LED matrix. The video embedded after the break illustrates how to read the time but here’s the gist of it: One LED is ...