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DS18S20(3)                   One-Wire File System                   DS18S20(3)


NAME

       DS18S20 - High-Precision 1-Wire Digital Thermometer

       DS1920 - iButton version of the thermometer


SYNOPSIS

       Thermometer.

       10 [.]XXXXXXXXXXXX[XX][/[ die | power | temperature | temphigh |
       templow | trim | trimblanket | trimvalid |

       See the file man3/standard_mini.3so.

       ]]


FAMILY CODE

       10


SPECIAL PROPERTIES

   power
       read-only,yes-no
       Is the chip powered externally (=1) or from the parasitically from the
       data bus (=0)?

   temperature
       read-only, floating point
       Temperature read by the chip at high resolution (~12 bits). Units are
       selected from the invoking command line. See owfs(1) or owhttpd(1) for
       choices. Default is Celsius.  Conversion takes 1000 msec.

       See the file man3/temperature_threshold.3so.

       See the file man3/temperature_errata.3so.


STANDARD PROPERTIES

       See the file man3/standard.3so.


DESCRIPTION

       See the file man3/description.3so.

   DS18S20 DS1920
       The DS18S20 (3) is one of several available 1-wire temperature sensors.
       It has been largely replaced by the DS18B20 (3) and DS1822 (3) as well
       as temperature/vlotage measurements in the DS2436 (3) and DS2438 (3).
       For truly versatile temperature measurements, see the protean DS1921
       (3) Thermachron (3).


ADDRESSING

       See the file man3/addressing.3so.


DATASHEET

       http://pdfserv.maxim-ic.com/en/ds/DS18S20.pdf


SEE ALSO

       See the file man3/seealso.3so.


AVAILABILITY

       http://www.owfs.org


AUTHOR

       Paul Alfille (paul.alfille@gmail.com)

OWFS Manpage                         2003                           DS18S20(3)

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