Illumination from light-emitting diodes (LEDs) used to be reserved only for commercial or industrial uses that could justify the high cost of the LED -- the typical example being where the bulb was ...
Early adopters of LED lighting will remember 50,000 hour or even 100,000 hour lifetime ratings printed on the box. But during a recent trip to the hardware store the longest advertised lifetime I ...
They’re consistently popular with the readers, which is admittedly part of my (and EDN’s) motivation to continue doing them. But I personally also find them fascinating; inevitably I come across at ...
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