The Book Of 555 Timer Projects E BookOver 45 Builds for the Legendary 555 Chip (and the 556, 558) The 555 timer IC, originally introduced by the Signetics Corporation around 1971, is sure to rank high among the most popular analog integrated circuits ever produced. Originally called the IC Time Machine, this chip has been used in many timer related projects by countless people over decades. This book is all about designing projects based on the 555 timer IC. Over 45 fully tested and
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