/challenges-projects/design-challenges/experimenting-with-thermistors/b/challenge-blog/posts/blog-7-characterising-thermistors-boiling-freezing-and-zapping-the-truth-out-of-themBy now, you&rsquo;re probably bored of all the theoretical experiments and minor side-quests that have been covered in the six blogs to date. At last, we come to a blog about the thing this whole project was pitched at doing which is characterising t...en-USTelligent Community 12https://community.element14.com/challenges-projects/design-challenges/experimenting-with-thermistors/b/challenge-blog/posts/blog-7-characterising-thermistors-boiling-freezing-and-zapping-the-truth-out-of-themWed, 04 Oct 2023 14:39:41 GMT93d5dcb4-84c2-446f-b2cb-99731719e767:646cb1c6-e38b-42f6-afac-d759a568095bandrewgoh01<p>hi I&#39;m late to the party, but that your blog is about the &#39;most comprehensive&#39; one yet characterizing thermistors.<br /><br />these days there are so many &#39;flea market&#39; 3950 thermistors&nbsp;<br /><a id="" href="https://www.aliexpress.com/w/wholesale-3950-thermistor.html" rel="noopener noreferrer nofollow" target="_blank" data-e14adj="t">https://www.aliexpress.com/w/wholesale-3950-thermistor.html</a><br /><br />would you try &#39;calibrating a sample of them&#39; to see just how &#39;3950&#39; are those ;) lol<br />it would be a *real* problem (for the world) if after all they don&#39;t match that &#39;3950&#39; labels considering the huge number of 3d printers out there, which probably used these &#39;no name flea market&#39; thermistors</p><img src="https://community.element14.com/aggbug?PostID=24230&AppID=377&AppType=Weblog&ContentType=0" width="1" height="1">https://community.element14.com/challenges-projects/design-challenges/experimenting-with-thermistors/b/challenge-blog/posts/blog-7-characterising-thermistors-boiling-freezing-and-zapping-the-truth-out-of-themFri, 19 Aug 2022 13:50:54 GMT93d5dcb4-84c2-446f-b2cb-99731719e767:646cb1c6-e38b-42f6-afac-d759a568095brscasny0<p>I&#39;m not bored by your experiments!</p><img src="https://community.element14.com/aggbug?PostID=24230&AppID=377&AppType=Weblog&ContentType=0" width="1" height="1">https://community.element14.com/challenges-projects/design-challenges/experimenting-with-thermistors/b/challenge-blog/posts/blog-7-characterising-thermistors-boiling-freezing-and-zapping-the-truth-out-of-themWed, 17 Aug 2022 04:45:38 GMT93d5dcb4-84c2-446f-b2cb-99731719e767:646cb1c6-e38b-42f6-afac-d759a568095bntewinkel1<p>Great testing, Gough!</p> <p>There are indeed two of the 3500k parts - one is a 1%, the other is a 2% &quot;resistance tolerance&quot;. I&#39;m not sure what that means :D&nbsp;</p><img src="https://community.element14.com/aggbug?PostID=24230&AppID=377&AppType=Weblog&ContentType=0" width="1" height="1">https://community.element14.com/challenges-projects/design-challenges/experimenting-with-thermistors/b/challenge-blog/posts/blog-7-characterising-thermistors-boiling-freezing-and-zapping-the-truth-out-of-themTue, 16 Aug 2022 20:09:27 GMT93d5dcb4-84c2-446f-b2cb-99731719e767:646cb1c6-e38b-42f6-afac-d759a568095bDAB1<p>Since I am in the middle of Jelly season, I found your references to roiling boil quite appropriate.</p> <p>I was worried for a while that you forgot about air pressure, or altitude, but you came through with the adjustment.</p> <p>It has been decades since I worked with thermistors, but I remember having spools of special wire so we could build our own as needed.</p><img src="https://community.element14.com/aggbug?PostID=24230&AppID=377&AppType=Weblog&ContentType=0" width="1" height="1">https://community.element14.com/challenges-projects/design-challenges/experimenting-with-thermistors/b/challenge-blog/posts/blog-7-characterising-thermistors-boiling-freezing-and-zapping-the-truth-out-of-themMon, 15 Aug 2022 18:50:13 GMT93d5dcb4-84c2-446f-b2cb-99731719e767:646cb1c6-e38b-42f6-afac-d759a568095bscottiebabe1<p>It looks like you are having lots of thermistor fun!!!</p> <p>Just observations:</p> <p>A insulation resistance of 3 MegOhms seems very strange.</p> <p>You may have condensation running down your hookup leads into your connector shroud.</p> <p>Lots of good stuff! Take care.</p><img src="https://community.element14.com/aggbug?PostID=24230&AppID=377&AppType=Weblog&ContentType=0" width="1" height="1">https://community.element14.com/challenges-projects/design-challenges/experimenting-with-thermistors/b/challenge-blog/posts/blog-7-characterising-thermistors-boiling-freezing-and-zapping-the-truth-out-of-themMon, 15 Aug 2022 16:21:02 GMT93d5dcb4-84c2-446f-b2cb-99731719e767:646cb1c6-e38b-42f6-afac-d759a568095bmichaelkellett0<p>More good stuff, I admire your enthusiasm.</p> <p>MK</p><img src="https://community.element14.com/aggbug?PostID=24230&AppID=377&AppType=Weblog&ContentType=0" width="1" height="1">