{"id":7279,"date":"2017-10-05T23:26:13","date_gmt":"2017-10-06T06:26:13","guid":{"rendered":"http:\/\/www.apolonio.com\/blog\/?p=7279"},"modified":"2017-10-05T23:26:13","modified_gmt":"2017-10-06T06:26:13","slug":"using-a-superheterodyne-vs-super-regenerative","status":"publish","type":"post","link":"https:\/\/www.apolonio.com\/blog\/?p=7279","title":{"rendered":"Using a Superheterodyne vs Super-regenerative"},"content":{"rendered":"<p>Recall my past few posts and I been mentioning the use a of a 433mhz receiver.<\/p>\n<p>On this picture the three on the left are\u00a0Superheterodyne and the one on the right is a\u00a0Super-regenerative<\/p>\n<p><a href=\"http:\/\/www.apolonio.com\/blog\/?attachment_id=7280\" rel=\"attachment wp-att-7280\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-7280\" src=\"http:\/\/www.apolonio.com\/blog\/wp-content\/uploads\/2017\/10\/433mhzhetvsregen.jpg\" alt=\"\" width=\"800\" height=\"450\" srcset=\"https:\/\/www.apolonio.com\/blog\/wp-content\/uploads\/2017\/10\/433mhzhetvsregen.jpg 800w, https:\/\/www.apolonio.com\/blog\/wp-content\/uploads\/2017\/10\/433mhzhetvsregen-300x169.jpg 300w, https:\/\/www.apolonio.com\/blog\/wp-content\/uploads\/2017\/10\/433mhzhetvsregen-768x432.jpg 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/a><\/p>\n<p>The superhet is supposed to be better then the regen ones.\u00a0 The regen ones are cheaper but initially they worked with my setup.<\/p>\n<p>Here is a recap<\/p>\n<p><a href=\"http:\/\/www.apolonio.com\/blog\/?attachment_id=7273\" rel=\"attachment wp-att-7273\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-large wp-image-7273\" src=\"http:\/\/www.apolonio.com\/blog\/wp-content\/uploads\/2017\/10\/433mhzGWcomponents-1024x576.jpg\" alt=\"\" width=\"640\" height=\"360\" srcset=\"https:\/\/www.apolonio.com\/blog\/wp-content\/uploads\/2017\/10\/433mhzGWcomponents.jpg 1024w, https:\/\/www.apolonio.com\/blog\/wp-content\/uploads\/2017\/10\/433mhzGWcomponents-300x169.jpg 300w, https:\/\/www.apolonio.com\/blog\/wp-content\/uploads\/2017\/10\/433mhzGWcomponents-768x432.jpg 768w\" sizes=\"auto, (max-width: 640px) 100vw, 640px\" \/><\/a><\/p>\n<p>Apparently I flipped the mosfet in the picture, but it works when correctly oriented.<\/p>\n<p>The mosfet is there to bring down the voltage from 5V to an ESP8266 safe 3.3V<\/p>\n<p>It works with the regen but not the superhet versions.\u00a0 But I figured it out, I think the mosfet inverts the signal, so it works with the regen but not the superhet.<\/p>\n<p>Luckily the superhet work with 3.3V vcc, I don&#8217;t think it boosts the signal to 5V but it seems to work when I pull the mosfet and send the signal directly to the pin.<\/p>\n<p>I need to do more research if this is safe, but it seems to work.<\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Recall my past few posts and I been mentioning the use a of a 433mhz receiver. On this picture the three on the left are\u00a0Superheterodyne and the one on the right is a\u00a0Super-regenerative The superhet is supposed to be better &hellip; <a href=\"https:\/\/www.apolonio.com\/blog\/?p=7279\">Continue reading <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[18,11,3],"tags":[],"class_list":["post-7279","post","type-post","status-publish","format-standard","hentry","category-arduino","category-technical","category-training"],"_links":{"self":[{"href":"https:\/\/www.apolonio.com\/blog\/index.php?rest_route=\/wp\/v2\/posts\/7279","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.apolonio.com\/blog\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.apolonio.com\/blog\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.apolonio.com\/blog\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.apolonio.com\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=7279"}],"version-history":[{"count":1,"href":"https:\/\/www.apolonio.com\/blog\/index.php?rest_route=\/wp\/v2\/posts\/7279\/revisions"}],"predecessor-version":[{"id":7281,"href":"https:\/\/www.apolonio.com\/blog\/index.php?rest_route=\/wp\/v2\/posts\/7279\/revisions\/7281"}],"wp:attachment":[{"href":"https:\/\/www.apolonio.com\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=7279"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.apolonio.com\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=7279"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.apolonio.com\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=7279"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}