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'DS 1820 1-WIRE DIGITAL THERMOMETER'
1997\05\13@192744 by thanassios Mavrogeorgiadis

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 I am trying to use the DS 1820 digital thermometer from Dallas
Semiconductors with a PIC16C84 but I can't read the correct temperature.

 I also have tried the Steve Marchant program for interfacing the DS1820
with PIC16C84. The only temperature that i read is 3.5 degrees Celsius.

 Has anybody used this device with 16c84?

 Thanks for any insight you can offer.


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Athanassios Mavrogeorgiadis
  Electrical Engineer
 spam_OUTtmavTakeThisOuTspamtitan.ee.auth.gr

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1997\05\14@085540 by johan.haglow.1359

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Athanassios Mavrogeorgiadis wrote:
>
>   I am trying to use the DS 1820 digital thermometer from Dallas
> Semiconductors with a PIC16C84 but I can't read the correct temperature.
>
>   I also have tried the Steve Marchant program for interfacing the DS1820
> with PIC16C84. The only temperature that i read is 3.5 degrees Celsius.
>
>   Has anybody used this device with 16c84?
>
>   Thanks for any insight you can offer.
>
> ----------------------------
>
> Athanassios Mavrogeorgiadis
>    Electrical Engineer
>   .....tmavKILLspamspam@spam@titan.ee.auth.gr
>
> ----------------------------
Hi
I have used the DS1820 with 484 without any problems just take care of
the timing limits in the  datasheets. I have code for interfacing with
three different DS1820 att the same time and display it on a LCD. I
don't have it with me right now but i can send it to you if you
want.just send me a mail. If you have an oscilloscope try to check if
you have right signals out.
                                       Johan

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