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pranitamm
Joined: 24 Oct 2008
Posts: 3
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 24 Oct 2008 13:12 tachometer |
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good evening!actually i am doing a tachometer as my college project using 89c2051 .but i dont know how to use moc7811 sensor can anybody help me ?
pls its urgent!
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24 Oct 2008 13:12 Ads |
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hameeds01
Joined: 23 Aug 2005
Posts: 308
Helped: 15
Location: NUST Islamabad
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24 Oct 2008 14:37 Re: tachometer |
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check this out
http://www.edaboard.com/ftopic163217.html
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pranitamm
Joined: 24 Oct 2008
Posts: 3
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24 Oct 2008 15:30 Re: tachometer |
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thanks for your interest but my project is for rpm measurement of a motor
do u have any info abt the sensor moc7811 i.e which of its terminal should be tied to vcc and what is its o/p? do i need to amplify the o/p before giving to the microcontroller?also is any current limiting resistance reqd between vcc n the sensor?
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