Hello,<BR> I am adding some LEDs to light up my resivour. I have some blue LEDs marked 3.7 volt ~ 20ma ~ 2600mcd. I tested them using a 12 volt wet cell that was putting out 12vdc and I used different ...

Over the years as I've built new PCs I've kept the motherboards from the replaced machines and hung them on the wall. A little bit of geeky artwork. I've decided to dress them up a bit and put them in ...

While addressable LED strips are all the rage, [Mike] from [mikeselectricstuff] has been working on an installation using the more basic two-wire strips that are simply controlled via PWM dimming.

High-brightness LEDs, with independent delay and duration, find use in a visual-inspection application. This circuit is not complex, but it saved the day in an application involving visual inspection ...