555 timer projects is a book for all electronics hobbyists. it contains simple and advanced projects based on 555 timer ic. this book is very helpful for learning the basics of 555 timer ic by means of creating simple and advanced projects.
A decent book on the ancient 555 timer chip. The simple projects are enough to get one up to speed on this mighty pre-mcu chip. Good overview on how it works. Pretty dated projects but they can be fun to play with. If your looking for a little bit of analog nostalgia, 555 Timer Projects can get you there.
Needed old 555 circuits for mole deterrent, simple circuitry yet robust. Would prefer a hard copy but that is an ageist thing and for kindle price it's magic.
Get more insight the NE 555 Timer, which is approximately very useful and can be use to make many circuit as we need it. This book is a good reference.