Evil Mad Scientist Labs brings us this easy to make LED blinking circuit. The idea is to put a LED in series with a small blinking incandescent bulb from a string of Christmas lights. The bulb has ...

Find out how you can change a circuit by adding items like switches with this Bitesiz KS2 science animation and a fun activity.

I needed a simple LED indicator showing that a particular voltage level had been reached—specifically, that a capacitor had charged to a particular potential. I was convinced that there must be ...

So I have a couple of floor lamps that have three-way switches and was designed for incandescent light bulbs. To clarify, when I say three-way switch, I mean it cycles between off, low, medium ...