{"id":591,"date":"2012-03-14T18:31:34","date_gmt":"2012-03-15T02:31:34","guid":{"rendered":"http:\/\/www.roastgeek.com\/wordpress\/?p=591"},"modified":"2012-06-06T20:09:34","modified_gmt":"2012-06-07T04:09:34","slug":"roast-controller-now-at-full-power","status":"publish","type":"post","link":"https:\/\/www.roastgeek.com\/wordpress\/2012\/03\/14\/roast-controller-now-at-full-power\/","title":{"rendered":"Roast controller now at full power."},"content":{"rendered":"\r\n\t<!-- sfs forms added to the_content - adding as a comment so that it will not display, but will it fool spammers?\r\n\t<br>\r\n\t<br>\r\n\t<form action=\"https:\/\/www.roastgeek.com\/wordpress\/wp-comments-post.php\" method=\"post\" id=\"commentform1\">\r\n\t<p><input name=\"author\" id=\"author\" value=\"\" size=\"22\"  aria-required=\"true\" type=\"text\">\r\n\t<label for=\"author\"><small>Name (required)<\/small><\/label><\/p>\r\n\r\n\t<p><input name=\"email\" id=\"email\" value=\"\" size=\"22\"  aria-required=\"true\" type=\"text\">\r\n\t<label for=\"email\"><small>Mail (will not be published) (required)<\/small><\/label><\/p>\r\n\r\n\t<p><input name=\"url\" id=\"url\" value=\"\" size=\"22\" type=\"text\">\r\n\t<label for=\"url\"><small>Website<\/small><\/label><\/p>\r\n\t<p><textarea name=\"comment\" id=\"comment\" cols=\"58\" rows=\"10\" ><\/textarea><\/p>\r\n\r\n\t<p>\r\n\t<input name=\"comment_post_ID\" value=\"591\" id=\"comment_post_ID\" type=\"hidden\">\r\n\t<input name=\"comment_parent\" id=\"comment_parent\" value=\"0\" type=\"hidden\">\r\n\t<\/p>\r\n\r\n\t<p><input id=\"akismet_comment_nonce\" name=\"akismet_comment_nonce\" value=\"1f74737c40\" type=\"hidden\"><\/p>\r\n\t<\/form>\r\n\r\n\t<form id=\"setupform1\" method=\"post\" action=\"wp-signup.php\" >\r\n\r\n\t<input type=\"hidden\" name=\"stage\" value=\"validate-user-signup\"   \/>\r\n\t<p ><input id=\"akismet_comment_nonce\" name=\"akismet_comment_nonce\" value=\"1f74737c40\" type=\"hidden\"><\/p>\t\t\r\n\t<p>\r\n\t<input id=\"signupblog\" type=\"radio\" name=\"signup_for\" value=\"blog\"  checked='checked' \/>\r\n\t<label class=\"checkbox\" for=\"signupblog\">Gimme a site!<\/label>\r\n\t<br \/>\r\n\t<input id=\"signupuser\" type=\"radio\" name=\"signup_for\" value=\"user\"  \/>\r\n\t<label class=\"checkbox\" for=\"signupuser\">Just a username, please.<\/label>\r\n\t<\/p>\r\n\t<\/form>\r\n\r\n\t<form name=\"loginform1\" id=\"loginform1\" action=\"https:\/\/www.roastgeek.com\/wordpress\/wp-login.php\" method=\"post\">\r\n\t<p>\r\n\t<label for=\"user_login\">User Name<br \/>\r\n\t<input type=\"text\" name=\"log\"  value=\"\" size=\"20\"  \/><\/label>\r\n\t<\/p>\r\n\t<p>\r\n\t<label for=\"user_pass\">Password<br \/>\r\n\t<input type=\"password\" name=\"pwd\"  value=\"\" size=\"20\"  \/><\/label>\r\n\t<\/p>\r\n\t<p class=\"forgetmenot\"><label for=\"rememberme\"><input name=\"rememberme\" type=\"checkbox\" checked=\"checked\"  value=\"1f74737c40\"  \/>Remember Me<\/label><\/p>\r\n\t<p class=\"submit\">\r\n\t<input type=\"hidden\" name=\"testcookie\" value=\"1\" \/>\r\n\t<\/p>\r\n\t<input id=\"akismet_comment_nonce\" name=\"akismet_comment_nonce\" value=\"1f74737c40\" type=\"hidden\">\r\n\t<\/form>\r\n\r\n\r\n\r\n\t-->\r\n\t<p>So I&#8217;ve played around with the PID settings.\u00a0 I haven&#8217;t officially sat down and tried to do a &#8220;real&#8221; tuning since the processing app I&#8217;m using right now lets you play with different numbers and feed it back to the Arduino to tweak it.\u00a0 As a result I came up with a few numbers that flattened out a lot more than it did previously.<\/p>\n<div id=\"attachment_592\" style=\"width: 650px\" class=\"wp-caption alignnone\"><a href=\"http:\/\/www.roastgeek.com\/wordpress\/2012\/03\/14\/roast-controller-now-at-full-power\/better-pid\/\" rel=\"attachment wp-att-592\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-592\" class=\" wp-image-592 \" title=\"Better Performing PID settings\" src=\"https:\/\/i0.wp.com\/www.roastgeek.com\/wordpress\/wp-content\/uploads\/2012\/03\/better-pid-1024x576.png?resize=640%2C360\" alt=\"\" width=\"640\" height=\"360\" srcset=\"https:\/\/i0.wp.com\/www.roastgeek.com\/wordpress\/wp-content\/uploads\/2012\/03\/better-pid.png?resize=1024%2C576&amp;ssl=1 1024w, https:\/\/i0.wp.com\/www.roastgeek.com\/wordpress\/wp-content\/uploads\/2012\/03\/better-pid.png?resize=400%2C225&amp;ssl=1 400w, https:\/\/i0.wp.com\/www.roastgeek.com\/wordpress\/wp-content\/uploads\/2012\/03\/better-pid.png?w=1419&amp;ssl=1 1419w\" sizes=\"auto, (max-width: 640px) 100vw, 640px\" \/><\/a><p id=\"caption-attachment-592\" class=\"wp-caption-text\">First roast with crudely adjusted PID<\/p><\/div>\n<p>Next I will need to take it more seriously I wipe out the configurations, dump some junk beans in, and fire up the roaster and calibrate until I can&#8217;t stand it anymore and then roast some coffee again.<\/p>\n<p>In regards to the button controller I have figured out a layout that I will likely use but I&#8217;m trying to keep this accurate on the schematic system I&#8217;m working with to build a real PCB later.\u00a0 For whatever reason the part in the system appears to not match every other part I&#8217;ve seen out there and what I&#8217;m currently working with.\u00a0 I also need to go back to radioshack and buy a resistor I&#8217;m going to need because the big multi-pack I have doesn&#8217;t include that one resistor that I need to make the math work.<\/p>\n<p>The last couple roasts with this new controller turned out decent enough.\u00a0 After 3-4 days rest they had extremely good smells (but tasted only &#8220;pretty good&#8221;.)\u00a0 Today&#8217;s two tests are MUCH closer to ideal roasting the way they worked out and the smells (and the smoke detector) agreed at the right times.\u00a0 I&#8217;ve got two batches waiting that will get consumed over the next several days and we&#8217;ll see how it&#8217;s going as they rest.\u00a0 I&#8217;ve got a single serve coffee brewer that&#8217;s working out better than some of the other ones so it will take me some time to work through all of the beans.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>So I&#8217;ve played around with the PID settings.\u00a0 I haven&#8217;t officially sat down and tried to do a &#8220;real&#8221; tuning since the processing app I&#8217;m using right now lets you play with different numbers and feed it back to the Arduino to tweak it.\u00a0 As a result I came up with a few numbers that flattened out a lot more than it did previously. Next I will need to take it more seriously I wipe out the configurations, dump some junk beans in, and fire up the roaster and calibrate until I can&#8217;t stand it anymore and then roast some \u2026 <a class=\"continue-reading-link\" href=\"https:\/\/www.roastgeek.com\/wordpress\/2012\/03\/14\/roast-controller-now-at-full-power\/\"> Continue reading <span class=\"meta-nav\">&rarr; <\/span><\/a><\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":false,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2}},"categories":[11,133,10,9,19,105,67,8,104,32,33],"tags":[74,26,3,71,4,14,29,91],"class_list":["post-591","post","type-post","status-publish","format-standard","hentry","category-african","category-arduino","category-coffee-2","category-electronics","category-ethiopia-african-coffee-2","category-pid","category-power","category-roaster","category-roasting","category-sensors","category-temperature-sensors-electronics-roaster","tag-arduino","tag-electronics-2","tag-fresh-roast","tag-heater","tag-sr500","tag-testing","tag-thermocouple","tag-triac"],"wppr_data":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - 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