{"id":2106,"date":"2022-02-12T22:17:00","date_gmt":"2022-02-12T20:17:00","guid":{"rendered":"https:\/\/howtohomemade.de\/?p=2106"},"modified":"2023-10-03T23:00:19","modified_gmt":"2023-10-03T21:00:19","slug":"co2-messgeraet-selbst-bauen","status":"publish","type":"post","link":"https:\/\/howtohomemade.de\/index.php\/blog\/co2-messgeraet-selbst-bauen\/","title":{"rendered":"CO2 Messger\u00e4t selbst bauen"},"content":{"rendered":"\n

Als CO2<\/sub> Ampeln wegen Corona immer pr\u00e4senter wurden, wollte ich mein eigenes CO2<\/sub> Messger\u00e4t bauen und zwar mit einer genauen CO2<\/sub> Konzentrationsanzeige. Ich entschied mich dazu einen ESP8266 D1 Mini als Rechner zu benutzen, da dieser \u00fcber gen\u00fcgend Ein- und Ausg\u00e4nge verf\u00fcgt und nicht so gro\u00df ist wie ein ESP32 Dev Modul. Zudem kommt wie bei einer CO2<\/sub> Ampel eine RGB LED zum Einsatz um einen groben Anhaltspunkt \u00fcber die CO2<\/sub> Konzentration zu haben, aber auch ein SSD1306 Display um den genauen CO2<\/sub> Gehalt angeben zu k\u00f6nnen. Als Sensor habe ich einen MQ-135 Gassensor benutzt, welcher eigentlich eher f\u00fcr Alkane ausgelegt ist, aber begrenzt auch f\u00fcr CO2<\/sub> funktioniert. Danach habe ich noch ein kleines Geh\u00e4use in Fusion360 entworfen und ausgedruckt.<\/p>\n\n\n\n

\n
\n
\"\"
Komponentenauswahl<\/figcaption><\/figure>\n<\/div>\n\n\n\n
\n
\"\"
Alle ben\u00f6tigten Teile<\/figcaption><\/figure>\n<\/div>\n<\/div>\n\n\n\n

Jetzt habe ich alle Teile zusammengebaut und in der Arduino IDE ein kleines Programm geschrieben, welches den Wert des Sensors auslie\u00dft und entsprechend den CO2<\/sub> PPM Wert auf dem Display anzeigt und die LED steuert. <\/p>\n\n\n\n

\n
\n
\"\"
Erster Test der Software<\/figcaption><\/figure>\n<\/div>\n\n\n\n
\n
\"\"
Zusammenbau der Hardware<\/figcaption><\/figure>\n<\/div>\n<\/div>\n\n\n\n
\n
\n
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Einbau des Microcontrollers<\/figcaption><\/figure>\n<\/div>\n\n\n\n
\n
\"\"
Fertiges CO2<\/sub> Messger\u00e4t<\/figcaption><\/figure>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"

Als CO2 Ampeln wegen Corona immer pr\u00e4senter wurden, wollte ich mein eigenes CO2 Messger\u00e4t bauen und zwar mit einer genauen CO2 Konzentrationsanzeige.<\/p>\n","protected":false},"author":1,"featured_media":2113,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_themeisle_gutenberg_block_has_review":false,"footnotes":""},"categories":[32,29,31],"tags":[],"class_list":["post-2106","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-3d-druck","category-diy","category-elektronik"],"yoast_head":"\nCO2 Messger\u00e4t selbst bauen | How To Homemade<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/howtohomemade.de\/index.php\/blog\/co2-messgeraet-selbst-bauen\/\" \/>\n<meta property=\"og:locale\" content=\"de_DE\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta 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