Switch sensor vs. switch PIC pin

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  1. - 12th April 2011, 01:01 #1
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    pedja089
    pedja089 is offline Senior Member
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    Default Re: Switch sensor vs. switch PIC pin

    I have used 15m cable and pull up resistor 680 ohms. Resistor value depends greatly on the capacity of cable. And the capacity of the cable depends on the length.
  2. - 17th April 2011, 17:23 #2
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    fratello
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    Default Re: Switch sensor vs. switch PIC pin

    With 5 meters of cable from PIC to DS18B20, no need to decrease value of R (still 4k7). Thanks for support !
  3. - 4th August 2011, 12:17 #3
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    fratello
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    Default Re: Switch sensor vs. switch PIC pin

    ...but, in some cases, I decrease the value to 3k9...for the same lenght of cables !
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