This circuit provides an optional audible alarm after a time-out when a brushless-dc fan motor slows down. Then, after a second time-out, the circuit powers down the PC

AuthorsPeter Demchenko
Main DocumentArticle «Alarm monitors rotational speed of dc motor»
DescriptionFigure 1
File Format / SizePDF / 37 Kb
Document Languageenglish

This circuit provides an optional audible alarm after a time-out when a brushless-dc fan motor slows down Then, after a second time-out, the circuit powers down the PC

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