{"id":154,"date":"2022-02-20T19:43:46","date_gmt":"2022-02-20T19:43:46","guid":{"rendered":"https:\/\/blog.tehybug.com\/?p=154"},"modified":"2022-10-15T20:58:42","modified_gmt":"2022-10-15T20:58:42","slug":"tehybug-senseair-co2-sensor","status":"publish","type":"post","link":"https:\/\/blog.tehybug.com\/index.php\/2022\/02\/20\/tehybug-senseair-co2-sensor\/","title":{"rendered":"TeHyBug Senseair CO2 Sensor for HomeAssistant and EspHome"},"content":{"rendered":"<p>We spend over 90% of our time indoors, where the amount of CO2 we exhale has a significant impact on our health and well-being. High CO2 concentrations not only lead to tiredness, headaches and can cause dizziness, they are also a good indicator of when the distribution of aerosols in the air exceeds a value that is more conducive to the spread of coronaviruses. Ventilation therefore reduces the risk of corona infection.<\/p>\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"2560\" height=\"1439\" src=\"https:\/\/blog.tehybug.com\/wp-content\/uploads\/2022\/02\/IMG_2784-edited-scaled.jpg\" alt=\"\" class=\"wp-image-157\" srcset=\"https:\/\/blog.tehybug.com\/wp-content\/uploads\/2022\/02\/IMG_2784-edited-scaled.jpg 2560w, https:\/\/blog.tehybug.com\/wp-content\/uploads\/2022\/02\/IMG_2784-edited-600x337.jpg 600w, https:\/\/blog.tehybug.com\/wp-content\/uploads\/2022\/02\/IMG_2784-edited-300x169.jpg 300w, https:\/\/blog.tehybug.com\/wp-content\/uploads\/2022\/02\/IMG_2784-edited-1024x575.jpg 1024w, https:\/\/blog.tehybug.com\/wp-content\/uploads\/2022\/02\/IMG_2784-edited-768x432.jpg 768w, https:\/\/blog.tehybug.com\/wp-content\/uploads\/2022\/02\/IMG_2784-edited-1536x863.jpg 1536w, https:\/\/blog.tehybug.com\/wp-content\/uploads\/2022\/02\/IMG_2784-edited-2048x1151.jpg 2048w, https:\/\/blog.tehybug.com\/wp-content\/uploads\/2022\/02\/IMG_2784-edited-1568x881.jpg 1568w\" sizes=\"auto, (max-width: 2560px) 100vw, 2560px\" \/><figcaption>USB  dongle with senseair s8 co2 sensor<\/figcaption><\/figure>\n\n\n<p><strong><a href=\"https:\/\/www.tindie.com\/products\/26085\/\">order link<\/a><\/strong><\/p>\n\n\n<p>New TeHyBug device with CO2 Senseair S8 sensor that also supports additional TeHyBug Universal sensors. Unfortunately, the default TeHyBug software is not supported by this new device, it wasn&#8217;t developed yet, but you can flash EspHome to it and connect the device to your home assistant, the configuration for EspHome I will post below.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"the-features\">The features:<\/h2>\n\n\n\n<ul class=\"wp-block-list\"><li>SenseAir S8 CO2 Sensor<\/li><li>ESP8285 Wifi Chip that serves the sensor data directly to homeassistant, no zigbee gateway etc.  needed.<\/li><li>CH340 USB to UART Chip for flashing and  programming<\/li><li>4 Buttons: 1 Mode (set flashmode), Reset, IO_5 and IO_14 are free programmable<\/li><li>TeHyBug  Universal sensor connector to extend the device with.  more sensors, like temperature, humidity, barometric air pressure, UV Light or Luminance<\/li><li>WS2812B indicator LED, for indicating the Air Quality<\/li><\/ul>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"2560\" height=\"1921\" src=\"https:\/\/blog.tehybug.com\/wp-content\/uploads\/2022\/02\/IMG_2783-edited-scaled.jpg\" alt=\"\" class=\"wp-image-159\" srcset=\"https:\/\/blog.tehybug.com\/wp-content\/uploads\/2022\/02\/IMG_2783-edited-scaled.jpg 2560w, https:\/\/blog.tehybug.com\/wp-content\/uploads\/2022\/02\/IMG_2783-edited-600x450.jpg 600w, https:\/\/blog.tehybug.com\/wp-content\/uploads\/2022\/02\/IMG_2783-edited-300x225.jpg 300w, https:\/\/blog.tehybug.com\/wp-content\/uploads\/2022\/02\/IMG_2783-edited-1024x768.jpg 1024w, https:\/\/blog.tehybug.com\/wp-content\/uploads\/2022\/02\/IMG_2783-edited-768x576.jpg 768w, https:\/\/blog.tehybug.com\/wp-content\/uploads\/2022\/02\/IMG_2783-edited-1536x1153.jpg 1536w, https:\/\/blog.tehybug.com\/wp-content\/uploads\/2022\/02\/IMG_2783-edited-2048x1537.jpg 2048w, https:\/\/blog.tehybug.com\/wp-content\/uploads\/2022\/02\/IMG_2783-edited-1568x1177.jpg 1568w\" sizes=\"auto, (max-width: 2560px) 100vw, 2560px\" \/><figcaption>Backside<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"768\" height=\"1024\" src=\"https:\/\/blog.tehybug.com\/wp-content\/uploads\/2022\/02\/IMG_2790-768x1024.jpg\" alt=\"\" class=\"wp-image-161\" srcset=\"https:\/\/blog.tehybug.com\/wp-content\/uploads\/2022\/02\/IMG_2790-768x1024.jpg 768w, https:\/\/blog.tehybug.com\/wp-content\/uploads\/2022\/02\/IMG_2790-600x800.jpg 600w, https:\/\/blog.tehybug.com\/wp-content\/uploads\/2022\/02\/IMG_2790-225x300.jpg 225w, https:\/\/blog.tehybug.com\/wp-content\/uploads\/2022\/02\/IMG_2790-1152x1536.jpg 1152w, https:\/\/blog.tehybug.com\/wp-content\/uploads\/2022\/02\/IMG_2790-1536x2048.jpg 1536w, https:\/\/blog.tehybug.com\/wp-content\/uploads\/2022\/02\/IMG_2790-1568x2091.jpg 1568w, https:\/\/blog.tehybug.com\/wp-content\/uploads\/2022\/02\/IMG_2790-scaled.jpg 1920w\" sizes=\"auto, (max-width: 768px) 100vw, 768px\" \/><figcaption>With TeHyBug Universal sensor<\/figcaption><\/figure>\n\n\n\n<!--more-->\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"589\" height=\"1024\" src=\"https:\/\/blog.tehybug.com\/wp-content\/uploads\/2022\/02\/Bildschirmfoto-2022-02-20-um-21.05.51-589x1024.png\" alt=\"\" class=\"wp-image-166\" srcset=\"https:\/\/blog.tehybug.com\/wp-content\/uploads\/2022\/02\/Bildschirmfoto-2022-02-20-um-21.05.51-589x1024.png 589w, https:\/\/blog.tehybug.com\/wp-content\/uploads\/2022\/02\/Bildschirmfoto-2022-02-20-um-21.05.51-600x1043.png 600w, https:\/\/blog.tehybug.com\/wp-content\/uploads\/2022\/02\/Bildschirmfoto-2022-02-20-um-21.05.51-173x300.png 173w, https:\/\/blog.tehybug.com\/wp-content\/uploads\/2022\/02\/Bildschirmfoto-2022-02-20-um-21.05.51.png 680w\" sizes=\"auto, (max-width: 589px) 100vw, 589px\" \/><figcaption>HomeAssistant Screenshot<\/figcaption><\/figure>\n\n\n\n<p><\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"esphome-configuration\">EspHome configuration:<\/h2>\n\n\n\n<pre class=\"wp-block-code\"><code>esphome:\n  name: tehybugco2\n\nesp8266:\n  board: esp8285\n\n# Enable logging\nlogger:\n\n# Enable Home Assistant API\napi:\n\nota:\n  password: \"5965ae0dcewvr546a66e0830fc\"\n\nwifi:\n  ssid: \"MyWifiNetwork\"\n  password: \"MyWifiPassword\"\n\n  # Enable fallback hotspot (captive portal) in case wifi connection fails\n  ap:\n    ssid: \"Co2Test Fallback Hotspot\"\n    password: \"17Ij4qwdZQTOko\"\n\ncaptive_portal:\n\n# show co2 status color\nbinary_sensor:\n  - platform: status\n    name: \"Infostrip Status\"\n  - platform: gpio\n    name: Button 14\n    pin:\n      number: 14\n      inverted: true\n      mode:\n        input: true\n        pullup: true\n    id: btn14\n\n    on_press:\n      - light.toggle: \n          id: light_fastled\n\n  - platform: gpio\n    name: Button 5\n    pin:\n      number: 5\n      inverted: true\n      mode:\n        input: true\n        pullup: true\n    id: btn5\n    on_press:\n      then:\n        - light.toggle:\n            id: light_fastled\n   \nuart:\n  # For software serial:\n  rx_pin: GPIO4\n  tx_pin: GPIO13\n  baud_rate: 9600\n  id: myuart2\n\nsensor:\n  - platform: senseair\n    id: senseair_s8\n    co2:\n      name: \"FreshAirMakesSense CO2 Value\"\n      id: senseair_co2\n    update_interval: 60s\n  - platform: aht10\n    temperature:\n      name: \"FreshAirMakesSense AHT10 Temperature Value\"\n    humidity:\n      name: \"FreshAirMakesSense AHT10 Humidity Value\"\n    update_interval: 60s\n  - platform: bmp280\n    temperature:\n      id: bmp280_temp\n      name: \"FreshAirMakesSense BMP280 Temperature Value\"\n      oversampling: 16x\n    pressure:\n      name: \"FreshAirMakesSense BMP280 Pressure Value\"\n    update_interval: 60s\n\ni2c:\n  sda: GPIO0\n  scl: GPIO2\n  scan: True\n  id: bus_a\n\n  \n# Configure each pixel as a single light (attention memory consuming)\nlight:\n  - platform: neopixelbus\n    type: GRB\n    variant: WS2812\n    pin: 12\n    num_leds: 1\n    name: \"I_Strip_test\"\n    id: light_fastled\n    on_turn_on:\n     then:\n        - light.control:\n            id: light_fastled\n            effect: Light Effect\n    effects:\n      - lambda:\n          name: Light Effect\n          update_interval: 10s\n          lambda: |-\n            \tint state = id(senseair_co2).state;\n            \tauto call = id(light_fastled).turn_on();\n            \tcall.set_transition_length(500);\n            \tif(state &gt; 1500)\n            \t{\n            \t  call.set_rgb(.5, 0, 0);\n            \t}\n            \telse if(state &gt; 1000)\n            \t{\n            \t  call.set_rgb(.5, .5,  0);\n            \t}\n            \telse\n            \t{\n            \t  call.set_rgb(0, .5, 0);\n            \t}\n            \tcall.perform();\nbutton:\n  - platform: template\n    name: Calibration\n    id: my_button\n    on_press:\n      then:\n        - senseair.background_calibration: senseair_s8\n        - delay: 120s\n        - senseair.background_calibration_result: senseair_s8<\/code><\/pre>\n\n\n\n<p>How to calibrate the sensor?<\/p>\n\n\n\n<p>connect it to a power bank and place it outside on fresh air, go to the entities of your home assistant, select the TeHyBug Co2 there and click the Calibration Button in the menu.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"629\" height=\"1000\" src=\"https:\/\/blog.tehybug.com\/wp-content\/uploads\/2022\/02\/3.5mm_jack_plug_4i.svg_mapping.png\" alt=\"\" class=\"wp-image-172\" srcset=\"https:\/\/blog.tehybug.com\/wp-content\/uploads\/2022\/02\/3.5mm_jack_plug_4i.svg_mapping.png 629w, https:\/\/blog.tehybug.com\/wp-content\/uploads\/2022\/02\/3.5mm_jack_plug_4i.svg_mapping-600x954.png 600w, https:\/\/blog.tehybug.com\/wp-content\/uploads\/2022\/02\/3.5mm_jack_plug_4i.svg_mapping-189x300.png 189w\" sizes=\"auto, (max-width: 629px) 100vw, 629px\" \/><figcaption>TeHyBug Universal, Pin Mapping<\/figcaption><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>We spend over 90% of our time indoors, where the amount of CO2 we exhale has a significant impact on our health and well-being. High CO2 concentrations not only lead to tiredness, headaches and can cause dizziness, they are also a good indicator of when the distribution of aerosols in the air exceeds a value [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[1],"tags":[],"class_list":["post-154","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v23.0 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>TeHyBug Senseair CO2 Sensor for HomeAssistant and EspHome - TeHyBug<\/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:\/\/blog.tehybug.com\/index.php\/2022\/02\/20\/tehybug-senseair-co2-sensor\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"TeHyBug Senseair CO2 Sensor for HomeAssistant and EspHome - TeHyBug\" \/>\n<meta property=\"og:description\" content=\"We spend over 90% of our time indoors, where the amount of CO2 we exhale has a significant impact on our health and well-being. 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