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Re: a mysterious sensor

From Frank Miles <fpm@u.washington.edu>
Newsgroups sci.electronics.design
Subject Re: a mysterious sensor
Date 2017-05-01 02:53 +0000
Organization A noiseless patient Spider
Message-ID <oe67ui$url$1@dont-email.me> (permalink)
References <oe59qr$vdd$1@news.datemas.de>

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On Sun, 30 Apr 2017 18:19:05 +0000, Jan Panteltje wrote:

> Hi,
> been doing some sensor stuff.
> I connect those to a PIC micro and an POE ethernet module, and send UDP
> data that way.

Welcome back!

Have you tried checking the calibration of the device?
One fairly straightforward/cheap way is to create a slurry of a salt and 
water.  The particular salt (in a small enclosed space) forces a 
particular humidity.  Do a web search and you'll find a few examples.

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Thread

a mysterious sensor Jan Panteltje <pNaOnStPeAlMtje@yahoo.com> - 2017-04-30 18:19 +0000
  Re: a mysterious sensor tabbypurr@gmail.com - 2017-04-30 12:08 -0700
  Re: a mysterious sensor Hul Tytus <ht@panix.com> - 2017-04-30 21:49 +0000
  a mysterious sensor pcdhobbs@gmail.com - 2017-04-30 15:04 -0700
    Re: a mysterious sensor Cursitor Doom <curd@notformail.com> - 2017-04-30 23:02 +0000
      Re: a mysterious sensor BM2335 <BM265@DMM.com.au> - 2017-05-01 11:19 +0800
    Re: a mysterious sensor Don Kuenz <g@crcomp.net> - 2017-05-01 03:06 +0000
      Re: a mysterious sensor Jan Panteltje <pNaOnStPeAlMtje@yahoo.com> - 2017-05-01 08:17 +0000
    Re: a mysterious sensor Jan Panteltje <pNaOnStPeAlMtje@yahoo.com> - 2017-05-01 08:16 +0000
  a mysterious sensor Lasse Langwadt Christensen <langwadt@fonz.dk> - 2017-04-30 15:46 -0700
    Re: a mysterious sensor Jan Panteltje <pNaOnStPeAlMtje@yahoo.com> - 2017-05-01 08:20 +0000
  Re: a mysterious sensor Jon Elson <elson@pico-systems.com> - 2017-04-30 21:27 -0500
    Re: a mysterious sensor Jan Panteltje <pNaOnStPeAlMtje@yahoo.com> - 2017-05-01 08:21 +0000
      Re: a mysterious sensor Jon Elson <jmelson@wustl.edu> - 2017-05-01 14:13 -0500
        Re: a mysterious sensor Jan Panteltje <pNaOnStPeAlMtje@yahoo.com> - 2017-05-01 19:42 +0000
  Re: a mysterious sensor Frank Miles <fpm@u.washington.edu> - 2017-05-01 02:53 +0000
    Re: a mysterious sensor Jan Panteltje <pNaOnStPeAlMtje@yahoo.com> - 2017-05-01 08:24 +0000
  Re: a mysterious sensor George Herold <gherold@teachspin.com> - 2017-05-01 05:11 -0700
    Re: a mysterious sensor Jan Panteltje <pNaOnStPeAlMtje@yahoo.com> - 2017-05-01 14:21 +0000
  Re: a mysterious sensor "nuny@bid.nes" <alien8752@gmail.com> - 2017-05-01 13:17 -0700
    Re: a mysterious sensor Jan Panteltje <pNaOnStPeAlMtje@yahoo.com> - 2017-05-02 07:46 +0000

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