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Telephone Projects for the Evil Genius

by Tom Petruzzellis

The latest 'Evil Genius' series book is an excellent introduction into telephone uses and add-on's. This book covers 40 useful projects for use with fixed line and mobile telephones. Projects include a phone light flasher, ringer controlled relay, Caller ID Decoder, Voice Scrambler and much more. Most of the projects are easy to build and suitable for the beginner and novice. Full electronic components lists and circuit diagrams are inlcuded with background and construction details for each project. Build a heap of useful phone gadgets with this latest book.



  • 40 Practical Projects to Construct and Use
  • Includes Circuit Diagrams and Electronic Parts List with Component Identification Tables
  • Background Theory Explained

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