{"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":150.49,"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":200.32,"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","url":"https:\/\/smartdomo.eu\/en\/products\/project-aura-electronic-parts-kit","provider":"smartdomo","version":"1.0","type":"link"}