Projects in the October 2001 issue of EPE Magazine | |
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![]() - our simple nostalgic design will delight and intrigue younger readers and all those interested in exploring vacuum tube radio reception. Utilising two DF91 tubes, it covers approx. 5MHz - 13MHz short wave. Unlike its high-voltage predecessors, our design runs safely from a number of 9V batteries. Enjoy building and learn at the same time, with our novel design! |
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![]() - three more novel projects round off our interesting mini-series of solar-powered projects. Thanks to the large capacity solar-charged GoldCap, each project charges up during the day and will run "for ever"! This month - Gate Sentinel, Bird Scarer and Who's In - Who's Out Register. Don't forget to check previous months' issues for more intriguing designs! |
Also in this issue, Ingenuity Unlimited (readers' own circuit ideas), Interface offers you a single chip 32 bit output port. New Technology Update outlines thermocouple-based accelerometers. Circuit Surgery tells you how to calculate the size of heatsinks. Net Work The Internet Page examines the Sircam Worm. |
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