But what if you think even the lowly 555 timer is overkill? In that case, perhaps you’ll be interested in a recent blog post by [TheMagicSmoke], where the reader is walked through the process of ...

You might expect a microcontroller to show up at this point, but [Matthew] went old school, and created his two alternating 500 Hz square waves with a 555 timer ... to live on a breadboard for ...

The ubiquitous 1971 digital miracle—the 555 Timer—is important ... Assemble as shown on a breadboard (Fig. 2). Take your time; one misplaced wire could mean centuries of darkness upon the ...