{"id":53,"date":"2023-10-15T22:21:13","date_gmt":"2023-10-16T03:21:13","guid":{"rendered":"https:\/\/fortycreek.org\/?p=53"},"modified":"2023-10-15T22:48:37","modified_gmt":"2023-10-16T03:48:37","slug":"tl866ii-programming-adapter","status":"publish","type":"post","link":"https:\/\/fortycreek.org\/index.php\/2023\/10\/15\/tl866ii-programming-adapter\/","title":{"rendered":"TL866ii Vpp programming adapter"},"content":{"rendered":"\n<p>Programming adapter to allow for higher Vpp programming voltages  ZD1 should be approximately 3V lower than max Vpp &#8211; use lab power supply on 25V line.<\/p>\n\n\n\n<p><a href=\"https:\/\/www.dr-bosch.com\/volker\/umbau\/index.html\">https:\/\/www.dr-bosch.com\/volker\/umbau\/index.html<\/a><\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"400\" height=\"229\" src=\"https:\/\/fortycreek.org\/wp-content\/uploads\/2023\/10\/TL886epromVpp_schem.gif\" alt=\"\" class=\"wp-image-57\"\/><\/figure>\n\n\n\n<p>D1 is BAT49 &#8211; but probably 1N4148 will work fine here, BC817 \/ BC807 probably can be any small transistors: 2N3904\/2N3906<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Programming adapter to allow for higher Vpp programming voltages ZD1 should be approximately 3V lower than max Vpp &#8211; use lab power supply on 25V line. https:\/\/www.dr-bosch.com\/volker\/umbau\/index.html D1 is BAT49 &#8211; but probably 1N4148 will work fine here, BC817 \/ BC807 probably can be any small transistors: 2N3904\/2N3906<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4],"tags":[],"class_list":["post-53","post","type-post","status-publish","format-standard","hentry","category-electronics"],"_links":{"self":[{"href":"https:\/\/fortycreek.org\/index.php\/wp-json\/wp\/v2\/posts\/53","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fortycreek.org\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fortycreek.org\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fortycreek.org\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fortycreek.org\/index.php\/wp-json\/wp\/v2\/comments?post=53"}],"version-history":[{"count":5,"href":"https:\/\/fortycreek.org\/index.php\/wp-json\/wp\/v2\/posts\/53\/revisions"}],"predecessor-version":[{"id":61,"href":"https:\/\/fortycreek.org\/index.php\/wp-json\/wp\/v2\/posts\/53\/revisions\/61"}],"wp:attachment":[{"href":"https:\/\/fortycreek.org\/index.php\/wp-json\/wp\/v2\/media?parent=53"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fortycreek.org\/index.php\/wp-json\/wp\/v2\/categories?post=53"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fortycreek.org\/index.php\/wp-json\/wp\/v2\/tags?post=53"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}