12 best teeth whitening kits: Strips, gels, powders and pens, tried and tested. I spent months testing products for brighter teeth – here are the ones that impressed us the most ...

Some 4K TVs have QLED or OLED displays, but most are LCD, and many of those have LED backlights. When you're shopping for a new TV, these are the sets you'll come across most often. We're going to ...

AmbiSense: Radar-controlled LED system using ESP32 and LD2410 sensor. Creates responsive lighting that reacts to proximity and movement. Features customizable colors, brightness, and range settings ...

Advanced WS2812/SK6812 RGB/RGBW LED controller with on-the-fly Python animation programming, web code editor/control interface, 1D, 2D, and 3D display support, and E1.31 sACN support raspberry-pi ...

Each block was given a length of WS2812B LED strip. 30 LED/meter strips were chosen, as initial maths on the 60 LED/meter strips indicated the whole wall would end up drawing 1.5 kW. Discretion ...

It then controls a WS2812B LED strip to display the time. The strip itself is hidden in a 3D-printed housing behind an opaque wooden ring, with the light from the LEDs diffusing out nicely on to ...