Not (yet) connected to smart home standard Price is right, but certainly not cheap Re-connecting to lights can be tricky for inexperienced smartphone users We've been using a set of WiZ smart LED ...

If you had an array of high power addressable LEDs, how would you project them onto a wall? Perhaps you’d use a Fresnel lens, or maybe an individual lens on the top of each. [Joo] faced this problem ...

Expensive projector lamp replacement may be obsolete if the European Union has its way and bans mercury used in traditional UHP (ultra-high pressure) arc lamps. Increasingly LED (light emitting diode) ...