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Dew Sensors
Last Updated on: Friday, April 25, 2008 04:34 AM
Links to electronic circuits, electronic schematics, designs for engineers, hobbyists, students & inventors:

Dew sensor:  Dew (condensed moisture) adversely affects the normal performance of sensitive electronic devices. A low-cost circuit described here can be used to switch off any gadget automatically in case of excessive humidity. At the heart of the circuit is an inexpensive (resistor type) dew sensor element. Although dew sensor elements are widely used in video cassette players and recorders, these may not be easily available in local market. However, the same can be procured from....(added 11/06)

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