50 pcs for $3.99 shipped! https://www.amazon.com/gp/product/B00CL7IV7E
, it's the most popular IC ever; As of 2003, it was estimated that 1 billion units are manufactured every year. Suck it, McDonalds!
Invented in 1971, 45 years ago! When analog was all the rage. As an homage we should be making more 555 projects. Heck at that price, even making necklaces and paving our driveways with them.
Anyone remember Parallax's line follower contest back in 2012?
And this balance bot!
See also https://www.youtube.com/results?search_query=robot+555+timer
"When you make a thing, a thing that is new, it is so complicated making it that it is bound to be ugly. But those that make it after you, they don’t have to worry about making it. And they can make it pretty, and so everybody can like it when others make it after you."
- Pablo Picasso