Subject:
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Re: Another chance for the LM35
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Newsgroups:
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lugnet.robotics.handyboard
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Date:
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Mon, 6 Dec 1999 10:27:04 GMT
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Viewed:
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867 times
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In lugnet.robotics.handyboard, "Jose Luis De Filpo" <hal9000@cvtci.com.ar>
writes:
> Hi,
>
> I'm again trying to connect the LM35 from National, there was some posts in
> the list, but none of that solve my problem. [...]but the reading of the
> port gives a fix value of aprox. 170 (340 °C, well the clime is not so hot
> here).
Well, di you try to put an Operational Amplifier mounted in voltage following?
+Vcc --- Op. Amp.
| *-------*
LM 35 O------|+ Vin |
| | Vout|--\----- To 68HC11 Analog Port
--- /-|- Vin | |
GND \\\ | *-------* |
\------------/
Florent
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Message is in Reply To:
 | | Another chance for the LM35
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| Hi, I'm again trying to connect the LM35 from National, there was some posts in the list, but none of that solve my problem. As an introduction let me say that the sensor provides an output of 10 mV/ ° C at 10 mA, the conversion when reading it (...) (25 years ago, 6-Dec-99, to lugnet.robotics.handyboard)
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