{"id":282,"date":"2010-02-09T15:44:26","date_gmt":"2010-02-09T21:44:26","guid":{"rendered":"http:\/\/chrismeyer.org\/wordpress\/?p=282"},"modified":"2010-02-09T15:44:26","modified_gmt":"2010-02-09T21:44:26","slug":"max6675-thermocouple-amplifier-eaglecad","status":"publish","type":"post","link":"https:\/\/chrismeyer.org\/wordpress\/?p=282","title":{"rendered":"MAX6675 Thermocouple Amplifier EagleCAD"},"content":{"rendered":"<p>I created a little SMT board for the MAX6675 thermocouple amplifier in EagleCAD if anyone out there is in need of a board.\u00a0 It&#8217;s very simple layout but it is a bit noisy, definitely expect to average samples coming from this chip (\/board?).\u00a0 Other improvements would be adding a thermistor as the CJC (cold junction compensation) on the board so you can accurately offset the junctions at the board where you break the thermocouple wire and transition over to copper (which creates another TC junction unintentionally so you must compensate for it).<\/p>\n<p><a href=\"http:\/\/chrismeyer.org\/wordpress\/wp-content\/uploads\/2010\/02\/TC-Amp.png\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-medium wp-image-284\" title=\"MAX6675 TC Amplifier Board and Schematic\" src=\"http:\/\/chrismeyer.org\/wordpress\/wp-content\/uploads\/2010\/02\/TC-Amp-300x100.png\" alt=\"MAX6675 TC Amplifier Board and Schematic\" width=\"300\" height=\"100\" srcset=\"https:\/\/chrismeyer.org\/wordpress\/wp-content\/uploads\/2010\/02\/TC-Amp-300x100.png 300w, https:\/\/chrismeyer.org\/wordpress\/wp-content\/uploads\/2010\/02\/TC-Amp-1024x342.png 1024w, https:\/\/chrismeyer.org\/wordpress\/wp-content\/uploads\/2010\/02\/TC-Amp.png 1213w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><\/p>\n<p><a href=\"http:\/\/chrismeyer.org\/wordpress\/wp-content\/uploads\/2010\/02\/MAX6675-TC-Board.zip\">MAX6675 TC Board Schematic and Board (and Panelized)<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>I created a little SMT board for the MAX6675 thermocouple amplifier in EagleCAD if anyone out there is in need of a board.\u00a0 It&#8217;s very simple layout but it is a bit noisy, definitely expect to average samples coming from this chip (\/board?).\u00a0 Other improvements would be adding a thermistor as the CJC (cold junction [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[75,5],"tags":[111,73,74,112,110,109],"class_list":["post-282","post","type-post","status-publish","format-standard","hentry","category-arduino-electronics","category-electronics","tag-amplifier","tag-arduino","tag-eaglecad","tag-interface-board","tag-k-type","tag-tc"],"_links":{"self":[{"href":"https:\/\/chrismeyer.org\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/282","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/chrismeyer.org\/wordpress\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/chrismeyer.org\/wordpress\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/chrismeyer.org\/wordpress\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/chrismeyer.org\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=282"}],"version-history":[{"count":1,"href":"https:\/\/chrismeyer.org\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/282\/revisions"}],"predecessor-version":[{"id":285,"href":"https:\/\/chrismeyer.org\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/282\/revisions\/285"}],"wp:attachment":[{"href":"https:\/\/chrismeyer.org\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=282"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/chrismeyer.org\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=282"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/chrismeyer.org\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=282"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}