{"id":43,"date":"2018-02-05T20:22:01","date_gmt":"2018-02-05T20:22:01","guid":{"rendered":"http:\/\/www.matrixwide.com\/wp\/?p=43"},"modified":"2018-02-05T20:22:01","modified_gmt":"2018-02-05T20:22:01","slug":"new-uv-sensor-testing","status":"publish","type":"post","link":"https:\/\/www.matrixwide.com\/wp\/?p=43","title":{"rendered":"New UV Sensor Testing"},"content":{"rendered":"<p>The Roitner Technik GUVA-S12D is too expensive for a product hoping to cost less than $10 each. So I am looking for more cost effective alternative.<\/p>\n<p>Here&#8217;s the test rig, consisting of a GUVA-S12D, a VEML6070, and an unspecified LED acting as a light sensor. The ADC reading seems to track the UVI produced by the GUVA-S12D quite well up to UVI 5. From there up to 6.5 (the highest I have measured outdoors) it is a bit lower.<\/p>\n<p>My LED under test shows good visible light blindness. It responds quite strongly to a 365nm UV LED (as does the VEML6050). This might be due to the spectral distribition of the LED. I&#8217;ll be looking around for a local lab to quanitfy the response of all three under controlled conditions.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-44\" src=\"http:\/\/www.matrixwide.com\/wp\/wp-content\/uploads\/2018\/02\/IMG_4499-e1517861992619-225x300.jpg\" alt=\"\" width=\"225\" height=\"300\" \/><\/p>\n","protected":false},"excerpt":{"rendered":"<p>The Roitner Technik GUVA-S12D is too expensive for a product hoping to cost less than $10 each. So I am looking for more cost effective alternative. Here&#8217;s the test rig, consisting of a GUVA-S12D, a VEML6070, and an unspecified LED acting as a light sensor. The ADC reading seems to track the UVI produced by &hellip; <a href=\"https:\/\/www.matrixwide.com\/wp\/?p=43\" class=\"more-link\">Continue reading<span class=\"screen-reader-text\"> &#8220;New UV Sensor Testing&#8221;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-43","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"_links":{"self":[{"href":"https:\/\/www.matrixwide.com\/wp\/index.php?rest_route=\/wp\/v2\/posts\/43","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.matrixwide.com\/wp\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.matrixwide.com\/wp\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.matrixwide.com\/wp\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.matrixwide.com\/wp\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=43"}],"version-history":[{"count":0,"href":"https:\/\/www.matrixwide.com\/wp\/index.php?rest_route=\/wp\/v2\/posts\/43\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.matrixwide.com\/wp\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=43"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.matrixwide.com\/wp\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=43"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.matrixwide.com\/wp\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=43"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}