{"title":"Project Aura","description":"\u003ch3\u003eProject Aura AQ is a DIY air quality monitor built to feel like a finished product, not a temporary sensor prototype\u003c\/h3\u003e","products":[{"product_id":"project-aura-electronic-parts-kit","title":"Air Sensor \"Project AURA\" - Electronic Parts Kit","description":"\u003cdiv class=\"product-description\"\u003e\n\n\u003ch2\u003eProbably the best sensor in the world\u003c\/h2\u003e\n\nProject Aura isn't just \"another sensor\" but a professional air quality station you build yourself: high-end sensors, large touchscreen, local data processing, Home Assistant integration – no soldering required. One evening to build, years of making better decisions about ventilation, heating, cooking, renovating, and sleeping.\n\u003cp\u003e\u003ca rel=\"noopener noreferrer\" href=\"https:\/\/makerworld.com\/de\/crowdfunding\/159-project-aura-make-the-invisible-visible\" target=\"_blank\"\u003eComplete project description \u0026amp; original documentation (MakerWorld)\u003c\/a\u003e\u003c\/p\u003e\n\n\u003ch3\u003eVariants\u003c\/h3\u003e\n\n\u003cul\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003e\"Basic\" Variant (without formaldehyde sensor):\u003c\/strong\u003e All functions and sensors except formaldehyde. Instead, the AQI is displayed in the UI.\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003e\"Plus\" Variant (with formaldehyde sensor):\u003c\/strong\u003e Additionally with Sensirion SFA40 (HCHO) for renovation, new carpets, new furniture, \"new car smell\" \u0026amp; VOC\/formaldehyde issues.\u003cbr\u003e\n\n\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat Aura can measure\u003c\/h3\u003e\n\n\u003cul\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eParticulate matter:\u003c\/strong\u003e PM1, PM2.5, PM4, PM10 (from smoke to pollen\/mold spores\/dust)\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eCO2:\u003c\/strong\u003e \"Zombie effect\"\/concentration \u0026amp; ventilation needs\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eVOC:\u003c\/strong\u003e volatile chemicals from furniture, cleaners, adhesives, etc.\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eNOx:\u003c\/strong\u003e relevant for gas stoves\/traffic\/exhaust fumes, among others\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eTemperature \u0026amp; humidity:\u003c\/strong\u003e dry heating air, comfort, susceptibility to infection\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eAir pressure + trend:\u003c\/strong\u003e Delta over 3h and 24h (weather sensitivity\/trend warning)\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eFormaldehyde (Plus only):\u003c\/strong\u003e HCHO via Sensirion SFA40\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\n\u003ch3\u003eTouchscreen Interface\u003c\/h3\u003e\n\n\u003cul\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003e4.3\" IPS Touch (800×480):\u003c\/strong\u003e bright, wide viewing angle, 16 MB Flash\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eMain Dashboard:\u003c\/strong\u003e large values (e.g., PM2.5, CO2, temperature, humidity) + color coding\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eOn-device settings:\u003c\/strong\u003e no PC required – directly via touch\u003c\/li\u003e\n\n\u003cli\u003e\u003cstrong\u003e12 Themes + Custom Theme Editor\u003c\/strong\u003e\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eWLAN Screen:\u003c\/strong\u003e scan \u0026amp; connect to networks directly on the display\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eMQTT Screen:\u003c\/strong\u003e broker\/port\/login\/password + live status\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eAuto-Night-Mode:\u003c\/strong\u003e dark colors according to schedule\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eAuto-Screen-Timeout:\u003c\/strong\u003e 30s \/ 1m \/ 5m – wake up via touch\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eTime\/Date:\u003c\/strong\u003e RTC buffering + timezone + regular syncs with WLAN\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\n\u003ch3\u003eHome Assistant Integration\u003c\/h3\u003e\n\n\u003cul\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eMQTT Auto-Discovery:\u003c\/strong\u003e appears in Home Assistant immediately after power-on\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003e20+ Entities:\u003c\/strong\u003e sensors, switches, buttons (project-dependent)\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eLocal Operation:\u003c\/strong\u003e no unnecessary cloud dependencies; also works autonomously without internet\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eCross-Tech Integration:\u003c\/strong\u003e Via Home Assistant, you can combine Aura data with devices from other technologies (e.g., Zigbee, Z-Wave, Thread\/Matter, WLAN) and build automations.\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\n\u003ch3\u003eAssembly \u0026amp; Commissioning\u003c\/h3\u003e\n\n\u003cul\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eNo-Solder Design:\u003c\/strong\u003e 0% soldering – plug connectors, cables, terminals\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eOne-Click Web Installer:\u003c\/strong\u003e connect board via USB, open installer, \"Install\"\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eSmall nuance:\u003c\/strong\u003e swap pins on one connector (1 minute, shown in instructions)\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\n\u003ch3\u003eScope of delivery (Electronic Parts Kit)\u003c\/h3\u003e\n\n\u003cp\u003e\u003cstrong\u003eIncluded:\u003c\/strong\u003e all electronic parts according to the BOM list for the Basic version (without optional sensors), the PLUS variant additionally includes the formaldehyde sensor. \u003cstrong\u003eIncludes\u003c\/strong\u003e capacitor, battery, and screws.\u003cbr\u003e\u003cstrong\u003eNot included:\u003c\/strong\u003e 3D-printed enclosure, USB cable.\u003c\/p\u003e\n\n\u003ch4\u003eCore Hardware\u003c\/h4\u003e\n\n\u003cul\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003e1× Waveshare ESP32-S3-Touch-LCD-4.3\u003c\/strong\u003e (ESP32-S3 Dual-Core, 16MB Flash, 4.3\" IPS 800×480, capacitive touch)\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003e1× Sensirion SEN66\u003c\/strong\u003e (All-in-One sensor: PM1\/2.5\/4\/10, CO2, VOC, NOx, temperature, humidity)\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003e1× Adafruit SEN6x Breakout\u003c\/strong\u003e (Adapter\/Breakout for SEN66)\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\n\u003ch4\u003eOptional (Plus variant only)\u003c\/h4\u003e\n\n\u003cul\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003e1× DFROBOT Gravity – SFA40\u003c\/strong\u003e (Formaldehyde\/HCHO sensor based on Sensirion SFA40)\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\n\u003ch4\u003eBarometer\/RTC\/I2C\u003c\/h4\u003e\n\n\u003cul\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003e1× Barometer and Temperature Sensor \u003c\/strong\u003e(Adafruit BMP580)\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003e1× RTC Time Module\u003c\/strong\u003e (Adafruit PCF8523)\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003e1× I2C Hub\u003c\/strong\u003e (Adafruit Qwiic \/ Stemma QT 5-Port Hub)\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003e1× CR1220\u003c\/strong\u003e (3V coin cell for RTC clock)\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\n\u003ch4\u003ePower \u0026amp; Connection\u003c\/h4\u003e\n\n\u003cul\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003e1× Aluminum Electrolytic Capacitor\u003c\/strong\u003e (radial, 10V 470µF, 105°C) for power supply stabilization\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003e1× Seeed Grove – Screw Terminal\u003c\/strong\u003e (screw terminal for power\/capacitor, no soldering)\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003e3× Grove → STEMMA QT\/Qwiic\/JST-SH Cable\u003c\/strong\u003e (100mm)\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003e3× Qwiic\/STEMMA QT compatible JST-SH 4-Pin Cable\u003c\/strong\u003e (50mm)\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003e1× JST GH 1.25mm 6-Pin Cable\u003c\/strong\u003e (100mm)\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\n\u003ch4\u003eMounting\u003c\/h4\u003e\n\n\u003cul\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eNEW: Now 30× Screws\u003c\/strong\u003e (M2.5×6) with Torx T8\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat else you need\u003c\/h3\u003e\n\n\u003cul\u003e\n\n\u003cli\u003e3D-printed enclosure (Files\/instructions via MakerWorld)\u003c\/li\u003e\n\n\u003cli\u003eUSB cable + 5V power supply (stable supply recommended)\u003c\/li\u003e\n\n\u003cli\u003eWLAN (2.4 GHz) for network operation\u003c\/li\u003e\n\n\u003cli\u003eFor Home Assistant: MQTT Broker (e.g., Mosquitto) and a running HA system\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\n\u003ch3\u003eComplete documentation \u0026amp; project page:\u003c\/h3\u003e\n\n\u003cp\u003e\u003ca rel=\"noopener noreferrer\" href=\"https:\/\/makerworld.com\/de\/crowdfunding\/159-project-aura-make-the-invisible-visible\" target=\"_blank\"\u003eMakerWorld: Project Aura – Make the Invisible Visible\u003c\/a\u003e\u003c\/p\u003e\n\n\n\u003c\/div\u003e","brand":"smartdomo","offers":[{"title":"AURA BASE kit","offer_id":53383488864602,"sku":"SD-AURA-BASIS","price":148.0,"currency_code":"EUR","in_stock":true},{"title":"AURA PLUS - with Sensirion formaldehyde sensor (shipping on May 20, 2026)","offer_id":53383488897370,"sku":"SD-AURA-PLUS","price":197.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0910\/5902\/8314\/files\/6d03ce660c72906f_e3b23f38-f1ff-40a6-94e9-be4b9b13065a.webp?v=1773616805"},{"product_id":"gravity-sfa40-formaldehyd-hcho-sensor","title":"Gravity: SFA40 Formaldehyd (HCHO) Sensor","description":"\u003cdiv class=\"product-text\"\u003e\n\u003ch3\u003eVerfügbar ab Anfang Juni 2026\u003c\/h3\u003e\n\u003cp\u003eDer Gravity SFA40 ist ein hochpräziser Formaldehydsensor für HCHO-Konzentrationen von 0–1000 ppb mit einer typischen Genauigkeit von ±20 ppb bzw. ±20 % m.v. im Bereich 0–200 ppb. Er ist der Nachfolger des SFA30 und vollständig kompatibel mit Project Aura – sowohl elektrisch als auch mechanisch für den Einbau in das dort verwendete 3D-gedruckte Gehäuse. Details zu Project Aura und dem 3D-Gehäuse findest du unter \u003ca rel=\"noopener noreferrer\" href=\"https:\/\/makerworld.com\/de\/crowdfunding\/159-project-aura-aq-make-the-invisible-visible\/update\" target=\"_blank\"\u003e Project Aura – Make the Invisible Visible \u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003eDas Modul basiert auf dem Sensirion SFA40 und nutzt ein elektrochemisches Messprinzip mit sehr geringer Querempfindlichkeit gegenüber Ethanol (\u0026lt; 0,3 %), wodurch Fehlalarme durch typische Haushaltsgerüche deutlich reduziert werden. Ein integrierter SHT4x-Sensor sorgt für automatische Temperatur- und Feuchtekompensation, die Ausgabe erfolgt über eine einfach zu nutzende Gravity-I2C-Schnittstelle.\u003c\/p\u003e\n\u003ch3\u003eTechnische Daten\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth align=\"left\"\u003eHersteller\u003c\/th\u003e\n\u003ctd\u003eDFRobot\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth align=\"left\"\u003eProduktname\u003c\/th\u003e\n\u003ctd\u003eGravity: SFA40 Formaldehyde (HCHO) Sensor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth align=\"left\"\u003eSKU\u003c\/th\u003e\n\u003ctd\u003eSEN0661\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth align=\"left\"\u003eMessprinzip\u003c\/th\u003e\n\u003ctd\u003eElektrochemischer Formaldehydsensor (Sensirion SFA40)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth align=\"left\"\u003eMessbereich\u003c\/th\u003e\n\u003ctd\u003e0–1000 ppb HCHO\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth align=\"left\"\u003eTypische Genauigkeit\u003c\/th\u003e\n\u003ctd\u003e±20 ppb oder ±20 % m.v. (0–200 ppb)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth align=\"left\"\u003eNachweisgrenze\u003c\/th\u003e\n\u003ctd\u003e20 ppb\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth align=\"left\"\u003eQuerempfindlichkeit zu Ethanol\u003c\/th\u003e\n\u003ctd\u003e\u0026lt; 0,3 %\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth align=\"left\"\u003eUmgebungskompensation\u003c\/th\u003e\n\u003ctd\u003eIntegrierter SHT4x für Temperatur- und Feuchtekorrektur\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth align=\"left\"\u003eSchnittstelle\u003c\/th\u003e\n\u003ctd\u003eGravity I2C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth align=\"left\"\u003eVersorgungsspannung\u003c\/th\u003e\n\u003ctd\u003e3,3–5 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth align=\"left\"\u003eBetriebstemperatur\u003c\/th\u003e\n\u003ctd\u003e0 bis 50 °C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth align=\"left\"\u003eBetriebsfeuchte\u003c\/th\u003e\n\u003ctd\u003e10–90 % r.F.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth align=\"left\"\u003eStromaufnahme\u003c\/th\u003e\n\u003ctd\u003e80 µA (Durchschnitt bei 2 Hz), 2 mA (Peak)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth align=\"left\"\u003eAbmessungen\u003c\/th\u003e\n\u003ctd\u003e32 × 22 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth align=\"left\"\u003eLieferumfang\u003c\/th\u003e\n\u003ctd\u003eGravity SFA40 HCHO Sensor, Gravity 4‑Pin Sensorkabel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e","brand":"DFrobot","offers":[{"title":"Default Title","offer_id":54072570249562,"sku":"SD-SEN0661","price":59.0,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0910\/5902\/8314\/files\/SEN0661_Main_01.jpg?v=1777303268"},{"product_id":"project-aura-custom-pcb-das-board-fur-project-aura","title":"Project Aura Custom PCB - das Board für \"Project Aura\"","description":"\u003ch2\u003eProject Aura Custom PCB (Lieferung ab 15.6.2026)\u003c\/h2\u003e\n\u003cp\u003eDie Project Aura Custom PCB ersetzt mehrere einzelne Breakout-Boards und reduziert die Verkabelung im Project Aura Aufbau deutlich. Statt vieler separater Module und unübersichtlicher Kabelverbindungen bündelt die Platine zentrale Funktionen direkt auf einem Board.\u003c\/p\u003e\n\u003ch3\u003eIntegrierte Funktionen\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eIntegrierter barometrischer Drucksensor\u003c\/li\u003e\n\u003cli\u003eIntegriertes RTC-Modul für die Echtzeituhr\u003c\/li\u003e\n\u003cli\u003eDirekter Anschluss für den Sensirion SEN66 inklusive Kondensator\u003c\/li\u003e\n\u003cli\u003e3x DFRobot\/Gravity-Anschlüsse für SFA40, CO-Sensor und DAC-Modul\u003c\/li\u003e\n\u003cli\u003e1x Grove-Anschluss\u003c\/li\u003e\n\u003cli\u003e2x STEMMA QT \/ Qwiic-Anschlüsse für I2C-Erweiterungen\u003c\/li\u003e\n\u003cli\u003e4x universelle Male-Pin-Header für eigene oder zukünftige Sensoren\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eEinfache Verbindung mit dem Waveshare ESP32-S3\u003c\/h3\u003e\n\u003cp\u003eDie Platine wird direkt mit dem Waveshare ESP32-S3 Board verbunden. Dafür wird das beim Waveshare-Board mitgelieferte Kabel verwendet. Es sind keine speziellen Adapter und kein Umpinnen erforderlich.\u003c\/p\u003e\n\u003ch3\u003eVorteile beim Aufbau\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eDeutlich weniger Kabel\u003c\/li\u003e\n\u003cli\u003eKein separater Aufbau mehr mit mehreren Adafruit-Breakout-Boards\u003c\/li\u003e\n\u003cli\u003eSauberere und übersichtlichere Verdrahtung\u003c\/li\u003e\n\u003cli\u003eSchnellere Montage des Project Aura Sensors\u003c\/li\u003e\n\u003cli\u003eWeniger Abhängigkeit von schwer verfügbaren Einzelkomponenten\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eKompatibilität\u003c\/h3\u003e\n\u003cp\u003eDie Project Aura Custom PCB wurde speziell für den Aufbau des Project Aura Luftsensors entwickelt. Sie dient als zentrale Verbindungseinheit zwischen dem Waveshare ESP32-S3 Board und den benötigten Sensor- und Erweiterungsmodulen.\u003c\/p\u003e\n\u003ch3\u003eHinweis\u003c\/h3\u003e\n\u003cp\u003eDieses Produkt ist eine speziell entwickelte Platine für Maker und Project Aura Nutzer. Mehr Infos zu dem Projekt: https:\/\/makerworld.com\/de\/crowdfunding\/159-project-aura-aq-make-the-invisible-visible\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"smartdomo","offers":[{"title":"Default Title","offer_id":54218860298586,"sku":"SD-AURA-PCB","price":39.9,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0910\/5902\/8314\/files\/Aura_62f1ae19-2aea-40c1-bdff-ebf54abfcb7f.jpg?v=1780223985"},{"product_id":"luftsensor-project-aura-fertig-montiert-inkl-gehause","title":"Air sensor \"Project AURA\" - fully assembled (incl. housing)","description":"\u003cdiv class=\"product-description\"\u003e\n\n\u003ch2\u003eProbably the best sensor in the world\u003c\/h2\u003e\n\nProject Aura is not just \"another sensor\", but a professional air quality station. Here in the pre-assembled version in a Starship Enterprise design. If you are looking for the kit for DIY and 3D printing, then look here:\u003cbr\u003ehttps:\/\/smartdomo.de\/products\/project-aura-electronic-parts-kit\u003c\/div\u003e\n\u003cdiv class=\"product-description\"\u003e\n\n\u003cbr\u003eHigh-end sensor technology, large touchscreen, local data processing, Home Assistant integration – without soldering. One evening to build, years of better decisions for ventilation, heating, cooking, renovating, and sleeping.\u003c\/div\u003e\n\u003cdiv class=\"product-description\"\u003e\n\n\u003cp\u003e\u003ca rel=\"noopener noreferrer\" href=\"https:\/\/makerworld.com\/de\/crowdfunding\/159-project-aura-make-the-invisible-visible\" target=\"_blank\"\u003eComplete project description \u0026amp; original documentation (MakerWorld)\u003c\/a\u003e\u003c\/p\u003e\n\n\u003ch3\u003eVersions\u003c\/h3\u003e\n\n\u003cul\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003e\"Basic\" version (without formaldehyde sensor):\u003c\/strong\u003e All functions and sensors except formaldehyde. Instead, the AQI is shown in the UI.\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003e\"Plus\" version (with formaldehyde sensor):\u003c\/strong\u003e Additionally with Sensirion SFA40 (HCHO) for renovation, new carpets, new furniture, \"new car smell\" \u0026amp; VOC\/formaldehyde issues.\u003cbr\u003e\n\n\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat Aura can measure\u003c\/h3\u003e\n\n\u003cul\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eParticulate matter:\u003c\/strong\u003e PM1, PM2.5, PM4, PM10 (from smoke to pollen\/mold spores\/dust)\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eCO2:\u003c\/strong\u003e \"Zombie effect\"\/concentration \u0026amp; ventilation needs\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eVOC:\u003c\/strong\u003e volatile chemicals from furniture, cleaners, glues, etc.\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eNOx:\u003c\/strong\u003e relevant for gas stoves\/traffic\/exhaust gases, among others\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eTemperature \u0026amp; humidity:\u003c\/strong\u003e dry heating air, comfort, susceptibility to infection\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eAir pressure + trend:\u003c\/strong\u003e Delta over 3h and 24h (weather sensitivity\/trend warning)\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eFormaldehyde (Plus only):\u003c\/strong\u003e HCHO via Sensirion SFA40\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\n\u003ch3\u003eTouchscreen Interface\u003c\/h3\u003e\n\n\u003cul\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003e4.3\" IPS Touch (800×480):\u003c\/strong\u003e bright, wide viewing angle, 16 MB Flash\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eMain Dashboard:\u003c\/strong\u003e large values (e.g., PM2.5, CO2, temperature, humidity) + color coding\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eDevice Settings:\u003c\/strong\u003e without a PC – directly via touch\u003c\/li\u003e\n\n\u003cli\u003e\u003cstrong\u003e12 Themes + Custom Theme Editor\u003c\/strong\u003e\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eWLAN Screen:\u003c\/strong\u003e scan \u0026amp; connect to networks directly on the display\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eMQTT Screen:\u003c\/strong\u003e Broker\/Port\/Login\/Password + Live Status\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eAuto-Night-Mode:\u003c\/strong\u003e dark colors according to schedule\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eAuto-Screen-Timeout:\u003c\/strong\u003e 30s \/ 1m \/ 5m – Wake up by touch\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eTime\/Date:\u003c\/strong\u003e RTC buffering + time zone + regular syncs with WLAN\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\n\u003ch3\u003eHome Assistant Integration\u003c\/h3\u003e\n\n\u003cul\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eMQTT Auto-Discovery:\u003c\/strong\u003e appears in Home Assistant immediately after power-on\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003e20+ Entities:\u003c\/strong\u003e Sensors, switches, buttons (project-dependent)\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eLocal Operation:\u003c\/strong\u003e no unnecessary cloud dependencies; also works autonomously without internet\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eCross-Tech Integration:\u003c\/strong\u003e Via Home Assistant, you can combine Aura data with devices from other technologies (e.g., Zigbee, Z-Wave, Thread\/Matter, WLAN) and build automations\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\n\u003ch3\u003eScope of Delivery \u003c\/h3\u003e\n\n\u003cp\u003eThe fully assembled Project Aura device is supplied, including sensors, components, cables, etc. It only needs to be connected to a USB-C cable.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eIncluded:\u003c\/strong\u003e all electronic parts according to the BOM list for the basic version (without optional sensors); additionally, the PLUS version contains the formaldehyde sensor. \u003cstrong\u003eIncludes\u003c\/strong\u003e capacitor, battery, and screws.\u003cbr\u003eAll parts are assembled in the 3D-printed housing (HETG-HG),\u003cbr\u003e\u003cstrong\u003eNot included: \u003c\/strong\u003eUSB cable.\u003c\/p\u003e\n\n\u003ch4\u003eCore Hardware\u003c\/h4\u003e\n\n\u003cul\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003e1× Waveshare ESP32-S3-Touch-LCD-4.3\u003c\/strong\u003e (ESP32-S3 Dual-Core, 16MB Flash, 4.3\" IPS 800×480, capacitive touch)\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003e1× Sensirion SEN66\u003c\/strong\u003e (All-in-One Sensor: PM1\/2.5\/4\/10, CO2, VOC, NOx, Temperature, Humidity)\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003e1× Adafruit SEN6x Breakout\u003c\/strong\u003e (Adapter\/Breakout for SEN66)\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\n\u003ch4\u003eOptional (Plus version only)\u003c\/h4\u003e\n\n\u003cul\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003e1× DFROBOT Gravity – SFA40\u003c\/strong\u003e (Formaldehyde\/HCHO Sensor based on Sensirion SFA40)\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\n\u003ch4\u003eBarometer\/RTC\/I2C\u003c\/h4\u003e\n\n\u003cul\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003e1× Barometer and Temperature Sensor \u003c\/strong\u003e(Adafruit BMP580)\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003e1× RTC Time Module\u003c\/strong\u003e (Adafruit PCF8523)\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003e1× I2C Hub\u003c\/strong\u003e (Adafruit Qwiic \/ Stemma QT 5-Port Hub)\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003e1× CR1220\u003c\/strong\u003e (3V button cell for RTC clock)\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\n\u003ch4\u003ePower \u0026amp; Connection\u003c\/h4\u003e\n\n\u003cul\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003e1× Aluminum Electrolytic Capacitor\u003c\/strong\u003e (radial, 10V 470µF, 105°C) for power stabilization\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003e1× Seeed Grove – Screw Terminal\u003c\/strong\u003e (screw terminal for power\/capacitor, no soldering)\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003e3× Grove → STEMMA QT\/Qwiic\/JST-SH Cable\u003c\/strong\u003e (100mm)\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003e3× Qwiic\/STEMMA QT compatible JST-SH 4-Pin Cable\u003c\/strong\u003e (50mm)\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003e1× JST GH 1.25mm 6-Pin Cable\u003c\/strong\u003e (100mm)\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003e30× Screws\u003c\/strong\u003e (M2.5×6) with Torx T8\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat you also need\u003c\/h3\u003e\n\n\u003cul\u003e\n\n\u003cli\u003eUSB cable + 5V power supply (stable supply recommended)\u003c\/li\u003e\n\n\u003cli\u003eWLAN (2.4 GHz) for network operation\u003c\/li\u003e\n\n\u003cli\u003eFor Home Assistant: MQTT Broker (e.g., Mosquitto) and a running HA system\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\n\u003ch3\u003eComplete documentation \u0026amp; project page:\u003c\/h3\u003e\n\n\u003cp\u003e\u003ca rel=\"noopener noreferrer\" href=\"https:\/\/makerworld.com\/de\/crowdfunding\/159-project-aura-make-the-invisible-visible\" target=\"_blank\"\u003eMakerWorld: Project Aura – Make the Invisible Visible\u003c\/a\u003e\u003c\/p\u003e\n\n\n\u003c\/div\u003e","brand":"smartdomo","offers":[{"title":"AURA BASIS kit","offer_id":54218863542618,"sku":"SD-AURA-BASIS","price":198.0,"currency_code":"EUR","in_stock":true},{"title":"AURA PLUS - with Sensirion formaldehyde sensor","offer_id":54218863575386,"sku":"SD-AURA-PLUS-ready","price":247.0,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0910\/5902\/8314\/files\/Project-Aura-fertig-montiert.png?v=1780226458"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0910\/5902\/8314\/collections\/5859ea83bd3f1b38.webp?v=1780223849","url":"https:\/\/smartdomo.de\/en\/collections\/project-aura.oembed","provider":"smartdomo","version":"1.0","type":"link"}