{"id":2043,"date":"2022-04-01T08:25:32","date_gmt":"2022-04-01T07:25:32","guid":{"rendered":"https:\/\/www.haeussler.name\/blogs\/hobby\/?p=2043"},"modified":"2024-03-13T21:15:36","modified_gmt":"2024-03-13T20:15:36","slug":"co2-sensor-mit-wemos-d1-ccs811","status":"publish","type":"post","link":"https:\/\/www.haeussler.name\/blogs\/hobby\/tasmota\/co2-sensor-mit-wemos-d1-ccs811\/","title":{"rendered":"CO2 Sensor mit WEMOS D1 + CCS811"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">Bei diesem Projekt handelt es sich um eine Sensor zur Messung der Luftqualit\u00e4t, genauer gesagt um den CO2 Anteil, damit l\u00e4sst sich heraus finden, wann man zum Beispiel den Raum l\u00fcften sollte.<br>Gerade zu Zeiten, in denen Corona verst\u00e4rkt auf tritt, ist es wichtig, den Luftaustausch zu steigern.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ich habe hierzu einen WEMOS D1 mini (ESP8266) und den CO2 Sensor CCS811 von SparkFun verwendet:<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"530\" height=\"343\" data-attachment-id=\"2044\" data-permalink=\"https:\/\/www.haeussler.name\/blogs\/hobby\/tasmota\/co2-sensor-mit-wemos-d1-ccs811\/attachment\/img_20220302_075358\/\" data-orig-file=\"https:\/\/i0.wp.com\/www.haeussler.name\/blogs\/hobby\/wp-content\/uploads\/IMG_20220302_075358-scaled.jpg?fit=2560%2C1657&amp;ssl=1\" data-orig-size=\"2560,1657\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;1.89&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;Redmi Note 9 Pro&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;1646207642&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;5.43&quot;,&quot;iso&quot;:&quot;499&quot;,&quot;shutter_speed&quot;:&quot;0.03030303030303&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;1&quot;}\" data-image-title=\"IMG_20220302_075358\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/www.haeussler.name\/blogs\/hobby\/wp-content\/uploads\/IMG_20220302_075358-scaled.jpg?fit=530%2C343&amp;ssl=1\" src=\"https:\/\/i0.wp.com\/www.haeussler.name\/blogs\/hobby\/wp-content\/uploads\/IMG_20220302_075358.jpg?resize=530%2C343&#038;ssl=1\" alt=\"WEMOS D1 mini + SparkFun CCS811\" class=\"wp-image-2044\" srcset=\"https:\/\/i0.wp.com\/www.haeussler.name\/blogs\/hobby\/wp-content\/uploads\/IMG_20220302_075358-scaled.jpg?resize=1024%2C663&amp;ssl=1 1024w, https:\/\/i0.wp.com\/www.haeussler.name\/blogs\/hobby\/wp-content\/uploads\/IMG_20220302_075358-scaled.jpg?resize=300%2C194&amp;ssl=1 300w, https:\/\/i0.wp.com\/www.haeussler.name\/blogs\/hobby\/wp-content\/uploads\/IMG_20220302_075358-scaled.jpg?resize=768%2C497&amp;ssl=1 768w, https:\/\/i0.wp.com\/www.haeussler.name\/blogs\/hobby\/wp-content\/uploads\/IMG_20220302_075358-scaled.jpg?resize=1536%2C994&amp;ssl=1 1536w, https:\/\/i0.wp.com\/www.haeussler.name\/blogs\/hobby\/wp-content\/uploads\/IMG_20220302_075358-scaled.jpg?resize=2048%2C1326&amp;ssl=1 2048w, https:\/\/i0.wp.com\/www.haeussler.name\/blogs\/hobby\/wp-content\/uploads\/IMG_20220302_075358-scaled.jpg?w=1590&amp;ssl=1 1590w\" sizes=\"auto, (max-width: 530px) 100vw, 530px\" \/><figcaption>WEMOS D1 mini + SparkFun CCS811<\/figcaption><\/figure>\n\n\n\n<!--more-->\n\n\n\n<p class=\"wp-block-paragraph\">Beides bekommt man zum Beispiel \u00fcber AMAZON:<\/p>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-8f761849 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<iframe style=\"width:120px;height:240px;\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\" src=\"\/\/ws-eu.amazon-adsystem.com\/widgets\/q?ServiceVersion=20070822&amp;OneJS=1&amp;Operation=GetAdHtml&amp;MarketPlace=DE&amp;source=ss&amp;ref=as_ss_li_til&amp;ad_type=product_link&amp;tracking_id=hobby-blog-21&amp;language=de_DE&amp;marketplace=amazon&amp;region=DE&amp;placement=B09FNXGCTG&amp;asins=B09FNXGCTG&amp;linkId=58b05c4bd7d82304d3bc55ebe023526e&amp;show_border=false&amp;link_opens_in_new_window=true\" frameborder=\"0\"><\/iframe>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<iframe style=\"width:120px;height:240px;\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\" src=\"\/\/ws-eu.amazon-adsystem.com\/widgets\/q?ServiceVersion=20070822&amp;OneJS=1&amp;Operation=GetAdHtml&amp;MarketPlace=DE&amp;source=ss&amp;ref=as_ss_li_til&amp;ad_type=product_link&amp;tracking_id=hobby-blog-21&amp;language=de_DE&amp;marketplace=amazon&amp;region=DE&amp;placement=B0725BJ16G&amp;asins=B0725BJ16G&amp;linkId=ee176339bd9d06c0cd7f2505dacda0bc&amp;show_border=false&amp;link_opens_in_new_window=true\" frameborder=\"0\"><\/iframe>\n<\/div>\n<\/div>\n\n\n\n<p class=\"wp-block-paragraph\">Beide Komponenten werden wir folgt zusammen geschaltet:<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"530\" height=\"261\" data-attachment-id=\"2056\" data-permalink=\"https:\/\/www.haeussler.name\/blogs\/hobby\/tasmota\/co2-sensor-mit-wemos-d1-ccs811\/attachment\/co2-sensor_schaltplan\/\" data-orig-file=\"https:\/\/i0.wp.com\/www.haeussler.name\/blogs\/hobby\/wp-content\/uploads\/CO2-Sensor_Schaltplan.png?fit=1089%2C537&amp;ssl=1\" data-orig-size=\"1089,537\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"CO2-Sensor_Schaltplan\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/www.haeussler.name\/blogs\/hobby\/wp-content\/uploads\/CO2-Sensor_Schaltplan.png?fit=530%2C261&amp;ssl=1\" src=\"https:\/\/i0.wp.com\/www.haeussler.name\/blogs\/hobby\/wp-content\/uploads\/CO2-Sensor_Schaltplan.png?resize=530%2C261&#038;ssl=1\" alt=\"Schaltplan WEMOS D1 mini + CCS811\" class=\"wp-image-2056\" srcset=\"https:\/\/i0.wp.com\/www.haeussler.name\/blogs\/hobby\/wp-content\/uploads\/CO2-Sensor_Schaltplan.png?resize=1024%2C505&amp;ssl=1 1024w, https:\/\/i0.wp.com\/www.haeussler.name\/blogs\/hobby\/wp-content\/uploads\/CO2-Sensor_Schaltplan.png?resize=300%2C148&amp;ssl=1 300w, https:\/\/i0.wp.com\/www.haeussler.name\/blogs\/hobby\/wp-content\/uploads\/CO2-Sensor_Schaltplan.png?resize=768%2C379&amp;ssl=1 768w, https:\/\/i0.wp.com\/www.haeussler.name\/blogs\/hobby\/wp-content\/uploads\/CO2-Sensor_Schaltplan.png?w=1089&amp;ssl=1 1089w\" sizes=\"auto, (max-width: 530px) 100vw, 530px\" \/><figcaption>Schaltplan WEMOS D1 mini + CCS811<\/figcaption><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Um die Hardware zu sch\u00fctzen habe ich mir ein Geh\u00e4use mit dem 3D-Drucker gedruckt:<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"530\" height=\"352\" data-attachment-id=\"2045\" data-permalink=\"https:\/\/www.haeussler.name\/blogs\/hobby\/tasmota\/co2-sensor-mit-wemos-d1-ccs811\/attachment\/img_20220302_222210\/\" data-orig-file=\"https:\/\/i0.wp.com\/www.haeussler.name\/blogs\/hobby\/wp-content\/uploads\/IMG_20220302_222210-scaled.jpg?fit=2560%2C1702&amp;ssl=1\" data-orig-size=\"2560,1702\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;1.89&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;Redmi Note 9 Pro&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;1646259737&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;5.43&quot;,&quot;iso&quot;:&quot;377&quot;,&quot;shutter_speed&quot;:&quot;0.03030303030303&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;1&quot;}\" data-image-title=\"IMG_20220302_222210\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/www.haeussler.name\/blogs\/hobby\/wp-content\/uploads\/IMG_20220302_222210-scaled.jpg?fit=530%2C352&amp;ssl=1\" src=\"https:\/\/i0.wp.com\/www.haeussler.name\/blogs\/hobby\/wp-content\/uploads\/IMG_20220302_222210.jpg?resize=530%2C352&#038;ssl=1\" alt=\"WEMOS D1 mini Sensor Geh\u00e4use\" class=\"wp-image-2045\" srcset=\"https:\/\/i0.wp.com\/www.haeussler.name\/blogs\/hobby\/wp-content\/uploads\/IMG_20220302_222210-scaled.jpg?resize=1024%2C681&amp;ssl=1 1024w, https:\/\/i0.wp.com\/www.haeussler.name\/blogs\/hobby\/wp-content\/uploads\/IMG_20220302_222210-scaled.jpg?resize=300%2C199&amp;ssl=1 300w, https:\/\/i0.wp.com\/www.haeussler.name\/blogs\/hobby\/wp-content\/uploads\/IMG_20220302_222210-scaled.jpg?resize=768%2C511&amp;ssl=1 768w, https:\/\/i0.wp.com\/www.haeussler.name\/blogs\/hobby\/wp-content\/uploads\/IMG_20220302_222210-scaled.jpg?resize=1536%2C1021&amp;ssl=1 1536w, https:\/\/i0.wp.com\/www.haeussler.name\/blogs\/hobby\/wp-content\/uploads\/IMG_20220302_222210-scaled.jpg?resize=2048%2C1361&amp;ssl=1 2048w, https:\/\/i0.wp.com\/www.haeussler.name\/blogs\/hobby\/wp-content\/uploads\/IMG_20220302_222210-scaled.jpg?w=1590&amp;ssl=1 1590w\" sizes=\"auto, (max-width: 530px) 100vw, 530px\" \/><figcaption>Geh\u00e4use aus 3D-Drucker<\/figcaption><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Das STL f\u00fcr den 3D Druck bekommt man auf <a href=\"https:\/\/www.thingiverse.com\/make:1017171\" target=\"_blank\" rel=\"noreferrer noopener\">Thingiverse<\/a>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Als Software zum Erfassen der Sensorwerte habe ich <a href=\"https:\/\/tasmota.github.io\/docs\/Supported-Peripherals\/\" target=\"_blank\" rel=\"noreferrer noopener\">TASMOTA<\/a> benutzt, da hier bereits sehr viele Sensoren unterst\u00fctzt werden und auch MQTT bereits integriert ist.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Sobald TASMOTA auf dem WEMOS Di mini aufgespielt ist, muss das Ger\u00e4t noch f\u00fcr den Sensor konfiguriert werden, wer laut obigem Schaltplan verdrahtet hat, sollte folgende Einstellung nutzen, dann sollte der Sensor (per I2C erkannt und angezeigt werden):<\/p>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-8f761849 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-large\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"530\" height=\"933\" data-attachment-id=\"2059\" data-permalink=\"https:\/\/www.haeussler.name\/blogs\/hobby\/tasmota\/co2-sensor-mit-wemos-d1-ccs811\/attachment\/screenshot-2022-04-01-at-16-12-03-co2-gera%cc%88t-konfigurieren\/\" data-orig-file=\"https:\/\/i0.wp.com\/www.haeussler.name\/blogs\/hobby\/wp-content\/uploads\/Screenshot-2022-04-01-at-16-12-03-CO2-Gera%CC%88t-konfigurieren.png?fit=676%2C1190&amp;ssl=1\" data-orig-size=\"676,1190\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"Screenshot-2022-04-01-at-16-12-03-CO2-Gera\u0308t-konfigurieren\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/www.haeussler.name\/blogs\/hobby\/wp-content\/uploads\/Screenshot-2022-04-01-at-16-12-03-CO2-Gera%CC%88t-konfigurieren.png?fit=530%2C933&amp;ssl=1\" src=\"https:\/\/i0.wp.com\/www.haeussler.name\/blogs\/hobby\/wp-content\/uploads\/Screenshot-2022-04-01-at-16-12-03-CO2-Gera%CC%88t-konfigurieren.png?resize=530%2C933&#038;ssl=1\" alt=\"TASMOTA Ger\u00e4te Einstellung\" class=\"wp-image-2059\" srcset=\"https:\/\/i0.wp.com\/www.haeussler.name\/blogs\/hobby\/wp-content\/uploads\/Screenshot-2022-04-01-at-16-12-03-CO2-Gera%CC%88t-konfigurieren.png?resize=582%2C1024&amp;ssl=1 582w, https:\/\/i0.wp.com\/www.haeussler.name\/blogs\/hobby\/wp-content\/uploads\/Screenshot-2022-04-01-at-16-12-03-CO2-Gera%CC%88t-konfigurieren.png?resize=170%2C300&amp;ssl=1 170w, https:\/\/i0.wp.com\/www.haeussler.name\/blogs\/hobby\/wp-content\/uploads\/Screenshot-2022-04-01-at-16-12-03-CO2-Gera%CC%88t-konfigurieren.png?w=676&amp;ssl=1 676w\" sizes=\"auto, (max-width: 530px) 100vw, 530px\" \/><figcaption>TASMOTA Ger\u00e4te Einstellung<\/figcaption><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-large\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"530\" height=\"920\" data-attachment-id=\"2060\" data-permalink=\"https:\/\/www.haeussler.name\/blogs\/hobby\/tasmota\/co2-sensor-mit-wemos-d1-ccs811\/attachment\/screenshot-2022-04-01-at-16-12-32-co2-hauptmenu%cc%88\/\" data-orig-file=\"https:\/\/i0.wp.com\/www.haeussler.name\/blogs\/hobby\/wp-content\/uploads\/Screenshot-2022-04-01-at-16-12-32-CO2-Hauptmenu%CC%88.png?fit=700%2C1214&amp;ssl=1\" data-orig-size=\"700,1214\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"Screenshot-2022-04-01-at-16-12-32-CO2-Hauptmenu\u0308\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/www.haeussler.name\/blogs\/hobby\/wp-content\/uploads\/Screenshot-2022-04-01-at-16-12-32-CO2-Hauptmenu%CC%88.png?fit=530%2C920&amp;ssl=1\" src=\"https:\/\/i0.wp.com\/www.haeussler.name\/blogs\/hobby\/wp-content\/uploads\/Screenshot-2022-04-01-at-16-12-32-CO2-Hauptmenu%CC%88.png?resize=530%2C920&#038;ssl=1\" alt=\"TASMOTA Startseite mit Sensordaten\" class=\"wp-image-2060\" srcset=\"https:\/\/i0.wp.com\/www.haeussler.name\/blogs\/hobby\/wp-content\/uploads\/Screenshot-2022-04-01-at-16-12-32-CO2-Hauptmenu%CC%88.png?resize=590%2C1024&amp;ssl=1 590w, https:\/\/i0.wp.com\/www.haeussler.name\/blogs\/hobby\/wp-content\/uploads\/Screenshot-2022-04-01-at-16-12-32-CO2-Hauptmenu%CC%88.png?resize=173%2C300&amp;ssl=1 173w, https:\/\/i0.wp.com\/www.haeussler.name\/blogs\/hobby\/wp-content\/uploads\/Screenshot-2022-04-01-at-16-12-32-CO2-Hauptmenu%CC%88.png?w=700&amp;ssl=1 700w\" sizes=\"auto, (max-width: 530px) 100vw, 530px\" \/><figcaption>TASMOTA Startseite<\/figcaption><\/figure>\n<\/div>\n<\/div>\n\n\n\n<p class=\"wp-block-paragraph\">Die Sensorwerte werden somit per TASMOTA erfasst und per MQTT bereit gestellt. Die eigentlich Speicherung, Auswertung und Darstellung der Sensorwerte erledigt meine bereits vorhandene Smart-Home Zentrale mit <a href=\"https:\/\/www.home-assistant.io\/docs\/\" target=\"_blank\" rel=\"noreferrer noopener\">Home Assistant<\/a>:<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"530\" height=\"373\" data-attachment-id=\"2046\" data-permalink=\"https:\/\/www.haeussler.name\/blogs\/hobby\/tasmota\/co2-sensor-mit-wemos-d1-ccs811\/attachment\/whatsapp-image-2022-03-02-at-12-30-36\/\" data-orig-file=\"https:\/\/i0.wp.com\/www.haeussler.name\/blogs\/hobby\/wp-content\/uploads\/WhatsApp-Image-2022-03-02-at-12.30.36.jpeg?fit=1600%2C1126&amp;ssl=1\" data-orig-size=\"1600,1126\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"WhatsApp-Image-2022-03-02-at-12.30.36\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/www.haeussler.name\/blogs\/hobby\/wp-content\/uploads\/WhatsApp-Image-2022-03-02-at-12.30.36.jpeg?fit=530%2C373&amp;ssl=1\" src=\"https:\/\/i0.wp.com\/www.haeussler.name\/blogs\/hobby\/wp-content\/uploads\/WhatsApp-Image-2022-03-02-at-12.30.36.jpeg?resize=530%2C373&#038;ssl=1\" alt=\"Home Assitant Dashboard mit CCS811 CO2 Sensor\" class=\"wp-image-2046\" srcset=\"https:\/\/i0.wp.com\/www.haeussler.name\/blogs\/hobby\/wp-content\/uploads\/WhatsApp-Image-2022-03-02-at-12.30.36.jpeg?resize=1024%2C721&amp;ssl=1 1024w, https:\/\/i0.wp.com\/www.haeussler.name\/blogs\/hobby\/wp-content\/uploads\/WhatsApp-Image-2022-03-02-at-12.30.36.jpeg?resize=300%2C211&amp;ssl=1 300w, https:\/\/i0.wp.com\/www.haeussler.name\/blogs\/hobby\/wp-content\/uploads\/WhatsApp-Image-2022-03-02-at-12.30.36.jpeg?resize=768%2C540&amp;ssl=1 768w, https:\/\/i0.wp.com\/www.haeussler.name\/blogs\/hobby\/wp-content\/uploads\/WhatsApp-Image-2022-03-02-at-12.30.36.jpeg?resize=1536%2C1081&amp;ssl=1 1536w, https:\/\/i0.wp.com\/www.haeussler.name\/blogs\/hobby\/wp-content\/uploads\/WhatsApp-Image-2022-03-02-at-12.30.36.jpeg?w=1600&amp;ssl=1 1600w\" sizes=\"auto, (max-width: 530px) 100vw, 530px\" \/><figcaption>Darstellung im Home Assistant Dashboard<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"530\" height=\"208\" data-attachment-id=\"2047\" data-permalink=\"https:\/\/www.haeussler.name\/blogs\/hobby\/tasmota\/co2-sensor-mit-wemos-d1-ccs811\/attachment\/screenshot-2022-03-31-at-21-26-55-verlauf-home-assistant\/\" data-orig-file=\"https:\/\/i0.wp.com\/www.haeussler.name\/blogs\/hobby\/wp-content\/uploads\/Screenshot-2022-03-31-at-21-26-55-Verlauf-%E2%80%93-Home-Assistant.png?fit=2822%2C1106&amp;ssl=1\" data-orig-size=\"2822,1106\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"Screenshot-2022-03-31-at-21-26-55-Verlauf-\u2013-Home-Assistant\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/www.haeussler.name\/blogs\/hobby\/wp-content\/uploads\/Screenshot-2022-03-31-at-21-26-55-Verlauf-%E2%80%93-Home-Assistant.png?fit=530%2C208&amp;ssl=1\" src=\"https:\/\/i0.wp.com\/www.haeussler.name\/blogs\/hobby\/wp-content\/uploads\/Screenshot-2022-03-31-at-21-26-55-Verlauf-%E2%80%93-Home-Assistant.png?resize=530%2C208&#038;ssl=1\" alt=\"Home Assitant zeitlicher Verlauf des CCS811 CO2 Sensors\" class=\"wp-image-2047\" srcset=\"https:\/\/i0.wp.com\/www.haeussler.name\/blogs\/hobby\/wp-content\/uploads\/Screenshot-2022-03-31-at-21-26-55-Verlauf-%E2%80%93-Home-Assistant.png?resize=1024%2C401&amp;ssl=1 1024w, https:\/\/i0.wp.com\/www.haeussler.name\/blogs\/hobby\/wp-content\/uploads\/Screenshot-2022-03-31-at-21-26-55-Verlauf-%E2%80%93-Home-Assistant.png?resize=300%2C118&amp;ssl=1 300w, https:\/\/i0.wp.com\/www.haeussler.name\/blogs\/hobby\/wp-content\/uploads\/Screenshot-2022-03-31-at-21-26-55-Verlauf-%E2%80%93-Home-Assistant.png?resize=768%2C301&amp;ssl=1 768w, https:\/\/i0.wp.com\/www.haeussler.name\/blogs\/hobby\/wp-content\/uploads\/Screenshot-2022-03-31-at-21-26-55-Verlauf-%E2%80%93-Home-Assistant.png?resize=1536%2C602&amp;ssl=1 1536w, https:\/\/i0.wp.com\/www.haeussler.name\/blogs\/hobby\/wp-content\/uploads\/Screenshot-2022-03-31-at-21-26-55-Verlauf-%E2%80%93-Home-Assistant.png?resize=2048%2C803&amp;ssl=1 2048w, https:\/\/i0.wp.com\/www.haeussler.name\/blogs\/hobby\/wp-content\/uploads\/Screenshot-2022-03-31-at-21-26-55-Verlauf-%E2%80%93-Home-Assistant.png?w=1590&amp;ssl=1 1590w\" sizes=\"auto, (max-width: 530px) 100vw, 530px\" \/><figcaption>Zeitlicher Verlauf in Home Assistant<\/figcaption><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Projekt zur Luftqualit\u00e4tsmessung mit WEMOS D1 mini &#038; 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Sch\u00fctzendes Geh\u00e4use aus 3D-Druck, TASMOTA f\u00fcr Sensorwerte und Home Assistant f\u00fcr Auswertung. <a class=\"more-link\" href=\"https:\/\/www.haeussler.name\/blogs\/hobby\/tasmota\/co2-sensor-mit-wemos-d1-ccs811\/\"><span class=\"screen-reader-text\">  CO2 Sensor mit WEMOS D1 + CCS811<\/span> weiterlesen<span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_feature_clip_id":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2},"jetpack_post_was_ever_published":false},"categories":[121],"tags":[119,118,90,120],"class_list":["post-2043","post","type-post","status-publish","format-standard","hentry","category-tasmota","tag-ccs811","tag-esp8266","tag-iot","tag-tasmota"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO Pro 5.0.1.1 - aioseo.com -->\n\t<meta name=\"description\" content=\"Bei diesem Projekt handelt es sich um eine Sensor zur Messung der Luftqualit\u00e4t, genauer gesagt um den CO2 Anteil, damit l\u00e4sst sich heraus finden, wann man zum Beispiel den Raum l\u00fcften sollte.Gerade zu Zeiten, in denen Corona verst\u00e4rkt auf tritt, ist es wichtig, den Luftaustausch zu steigern. 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