{"id":380,"date":"2021-02-01T08:10:37","date_gmt":"2021-02-01T07:10:37","guid":{"rendered":"https:\/\/tibor.djantar.de\/?page_id=380"},"modified":"2021-02-02T07:23:55","modified_gmt":"2021-02-02T06:23:55","slug":"verbrauchsmessung-mit-dem-esp8266","status":"publish","type":"page","link":"https:\/\/tibor.djantar.de\/?page_id=380","title":{"rendered":"Verbrauchsmessung mit dem ESP8266"},"content":{"rendered":"\n<p class=\"has-text-align-left\">Beschreibung: Meine digitalen <a href=\"https:\/\/amzn.to\/3ozfxWV\" target=\"_blank\" rel=\"noopener\">Stromz\u00e4hler<\/a> von B+G Tech besitzen beide eine sogenannte S0-Schnittstelle. Pro Kilowattstunde werden von dieser Schnittstelle 1000 Impulse ausgegeben. Der ESP8266 z\u00e4hlt nun diese Impulse und gibt sie per MQTT an den Hausautomatisationsserver weiter. Dort werden die Werte in Variablen abgelegt und k\u00f6nnen dann  weiterverwendet werden.    <\/p>\n\n\n\n<p>Im Detail: die S0 Schnittstelle ist als Open-Collector Schaltung ausgef\u00fchrt. Beschaltet mit einem Pull-Up Widerstand (2,2K) wird dieser an einen GPIO des ESP8266 verbunden.<\/p>\n\n\n\n<p>Hier das Schaltbild<\/p>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\"><\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignleft  wp-image-397\" src=\"https:\/\/tibor.djantar.de\/wp-content\/uploads\/2021\/02\/ESP-S0.png\" alt=\"\" width=\"353\" height=\"370\" title=\"\" srcset=\"https:\/\/tibor.djantar.de\/wp-content\/uploads\/2021\/02\/ESP-S0.png 543w, https:\/\/tibor.djantar.de\/wp-content\/uploads\/2021\/02\/ESP-S0-286x300.png 286w\" sizes=\"auto, (max-width: 353px) 100vw, 353px\" \/><\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><\/h2>\n\n\n\n<p><\/p>\n<\/div>\n<\/div>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Beschreibung: Meine digitalen Stromz\u00e4hler von B+G Tech besitzen beide eine sogenannte S0-Schnittstelle. Pro Kilowattstunde werden von dieser Schnittstelle 1000 Impulse ausgegeben. Der ESP8266 z\u00e4hlt nun [&#8230;]<\/p>\n","protected":false},"author":2,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-380","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/tibor.djantar.de\/index.php?rest_route=\/wp\/v2\/pages\/380","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/tibor.djantar.de\/index.php?rest_route=\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/tibor.djantar.de\/index.php?rest_route=\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/tibor.djantar.de\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/tibor.djantar.de\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=380"}],"version-history":[{"count":10,"href":"https:\/\/tibor.djantar.de\/index.php?rest_route=\/wp\/v2\/pages\/380\/revisions"}],"predecessor-version":[{"id":411,"href":"https:\/\/tibor.djantar.de\/index.php?rest_route=\/wp\/v2\/pages\/380\/revisions\/411"}],"wp:attachment":[{"href":"https:\/\/tibor.djantar.de\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=380"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}