Electronic Touch Switch
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Published in issue 356, July 2006
A circuit that senses the resistance of the skin and converts it into a useful switching signal. The touch switch contacts can be made from two small metal plates, rivets, nails, etcetera, which are placed close together on a non-conducting surface. In this circuit a comparator of the type LM393 has been used.
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Please note. In view of the complexity of international markets, Elektor cannot guarantee the availability of components for this project.
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