Recent posts to No temp reading with one wire DS18B20https://forge.codesys.com/forge/talk/Runtime/thread/5a011e7ae7/2020-02-27T17:02:57.203000ZRecent posts to No temp reading with one wire DS18B20No temp reading with one wire DS18B202020-02-27T17:02:57.203000Z2020-02-27T17:02:57.203000ZT.Holstenhttps://forge.codesys.com/u/t-holsten/https://forge.codesys.com6441c743754da4c20419f9b7063011d0b9d4c9cf<div class="markdown_content"><p>Danke! Jetzt funktionierts. </p>
<p>Punkt 1 hatte ich übersehen.</p></div>No temp reading with one wire DS18B202020-02-27T17:02:56.234000Z2020-02-27T17:02:56.234000Zeschwellingerhttps://forge.codesys.com/u/eschwellinger/https://forge.codesys.com332497750f849dd34400f6b4b52ec9ec3241cf8a<div class="markdown_content"><p>Hi,</p>
<p>please check the following:</p>
<ol>
<li>did you add the ID of your sensor in the configuration tap of the 1wire sensor.</li>
<li>what does Linux report if you connect to your pi by ssh (putty) <br/>
and give then the following command cat /sys/devices/w1_bus_master1/28-0004442100FF</li>
</ol>
<p><28-0004442100FF> should be your sensor ID which you see in the table </p>
<p>If this is set and it still does not work you need to check if your sensor does work under Linux</p>
<p>cd /sys/bus/w1/devices<br/>
cd <yoursensor-id><br/>
cat w1_slave</yoursensor-id></p>
<p>0f 00 4b 46 ff ff 06 10 0c : crc=0c YES<br/>
0f 00 4b 46 ff ff 06 10 0c t=7375 </p>
<p>Did you add the 4k7 resisitor ?<br/>
Here is a good description:</p>
<p><a class="" href="http://www.google.de/imgres?imgurl=http://www.sbprojects.com/projects/raspberrypi/ds1820connect.png&imgrefurl=http://www.sbprojects.com/projects/raspberrypi/temperature.php&h=570&w=690&tbnid=C6inLWmnRQSBJM:&_=1&tbnh=97&tbnw=117&usg=__zze3rEFT5122oD8-UK9XljSrT4c=&docid=wNFNHwevCFCDMM&sa=X&ei=iQ3nVOruCcbBOaTfgJAJ&ved=0CD4Q9QEwAw" rel="nofollow">http://www.google.de/imgres?imgurl=http ... CD4Q9QEwAw</a></p>
<p>BR<br/>
Edwin</p>
<p><img alt="IMG: SensorID.jpg" rel="nofollow" src="https://forum.codesys.com//download/file.php?id=967"/></p>
<p><img alt="IMG: 1Wire_ID.jpg" rel="nofollow" src="https://forum.codesys.com//download/file.php?id=966"/></p></div>No temp reading with one wire DS18B202020-02-27T17:02:53.490000Z2020-02-27T17:02:53.490000ZT.Holstenhttps://forge.codesys.com/u/t-holsten/https://forge.codesys.com183ce60861f8f5b2b9bfdcac5ad15794811369ba<div class="markdown_content"><p>Hi there!</p>
<p>I have exactly the same problem (No driver found) like lvdPol. </p>
<p>Please help us...</p>
<p>Regards <br/>
T. Holsten</p></div>No temp reading with one wire DS18B202020-02-27T17:02:52.492000Z2020-02-27T17:02:52.492000ZlvdPolhttps://forge.codesys.com/u/lvdpol/https://forge.codesys.com0bcc7121bd9413e3538aca1d40f04243a1a815e0<div class="markdown_content"><p>The raspberry Pi and some one wire temp sensors from Dallas DS18B20 are giving me a hard time.</p>
<p>When I login white SSH than I can read the temperature white the cat commando.<br/>
but when i login in the raspberry Pi white codesys with then I get only the address from the sensors.<br/>
but no readings. what do I do wrong?</p>
<p>In the status window is the message "no driver found" is this normal?</p>
<p>Regards Lammert,</p>
<p><img alt="IMG: Schermafbeelding 2015" rel="nofollow" src="https://forum.codesys.com//download/file.php?id=949"/></p>
<p><img alt="IMG: Schermafbeelding 2015" rel="nofollow" src="https://forum.codesys.com//download/file.php?id=948"/></p></div>