T’s Design Graveyard] is here with a surprising alternative. As it turns out, the ever-useful 555 timer chip does the job admirably. It’s a simple enough circuit, the threshold pin is pulled ...

LED strip dimmer (circa 2019) uses a 555 timer, because what else would you use? This year is the 50th anniversary of the original design. Back in 1971 [Hans Camenzind] combined 23 transistors ...