If you’re not familiar with the 555 timer, suffice it to say that this versatile ... (click to enlarge) TI’s LMC555 claims to be the smallest and fastest fully-featured 555 available.

Definitely not in the meme category, though, is this overkill vacuum tube 555 timer. It comes to us via [David Lovett], aka [Usagi Electric], who has lately caught the “hollow state ...