Home › Magazines › 2008 › February › 1 MHz frequency counter using AT89C2051

1 MHz frequency counter using AT89C2051

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Published in issue 374, February 2008

This simple circuit is capable of measuring frequency up to 1 MHz at 1 Hz accuracy without an additional divider or prescaler circuit. The circuit employs an Atmel microcontroller type AT89C2051-24XX as the main part.

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	Magazine February 2008
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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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1 MHz frequency counter using AT89C2051

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