by E.A. Parr
Paperback: 168 pages
Publisher: Bernard Babani Publishing. Revised and reprinted November 1981
The 555 timer was first manufactured by Signetics but is now manufactured by almost every semiconductor manufacturer in the world. This book includes basic and general circuits, motor car and model railway circuits, and alarms and noise-makers as well as a section on 556, 558 and 559 timers.
E. A. Parr's spledid little book on this widely used chip cannot be too highly recommended. It is a little classic. All you need to know, and a whole lot more you never thought to ask is here. Simply described and with a host of practical information on building circuits using the 555
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