Forrest M. Mims' 555 Timer IC Circuits really opened the door for me on what the 555 could do. http://www.amazon.com/Engineers-Mini-Notebook-Timer-Circuits-276

Forrest M. Mims' 555 Timer IC Circuits really opened the door for me on what the 555 could do. http://www.amazon.com/Engineers-Mini-Notebook-Timer-Circuits-276-5010/dp/B000MN54A6 http://www.amazon.com/Engineers-Mini-Notebook-Timer-Circuits... It has since been republished in: http://www.amazon.com/Timer-Amp-Optoelectronic-Circuits-Projects/dp/0945053290 http://www.amazon.com/Timer-Amp-Optoelectronic-Circuits-Proj...