The IC 555 projects book is a reference book of invaluable use to all those who have any interest in electronics, be they professional engineers or designers, students or hobbyists.
Included in the IC 555 projects paperback book are basic and general circuits, motor car and model railway circuits, alarms and noise makers as well as a section on 556,558 and 559 timers.
Every so often a device appears that is so useful that one wonders how life went on before without it. The 555 timer is such a device.
It was first manufactured by Signetics, but is now manufactured by almost every semiconductor manufacturer in the world and is inexpensive and very obtainable.
A Babani Computer Guidebook by E.A. Parr