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Design File: Biscuit tin alarm
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Design File: Games timer
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© DOCTRONICS Educational Publications 1998, 1999
These web pages will build to a complete introductory electronics course. Each Chapter is supported by appropriate practical work and you can check your progress with on-line questions and tests.
Visiting students and teachers are encouraged to explore, but please remember that all this material is copyright ©. Reproduction in any form without prior permission is expressly prohibited.
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