It’s available in a variety of 8-pin packages, including DIP, SOIC, and VSSSOP, in order of decreasing size. Also available is the hobbyist’s worst nightmare: a 555 in a chip-sized BGA (ball ...

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 high so the output goes high, and the PWM drive from an Arduino ...

When TV shows and movies need to use a phone number as part of the story, they typically use one that starts with 555. We spoke with an official historian at AT&T to find out why these three ...