21cncstudio

21cncstudio / project_aura

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ESP32‑S3 air‑quality station with LVGL UI, MQTT, Home Assistant

www.21cncstudio.comproject-aura 3d-printing adafruit air-quality arduino diy
269
25
100% credibility
Found Feb 02, 2026 at 54 stars 5x -- GitGems finds repos before they trend. Get early access to the next one.
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AI Analysis
C
AI Summary

Project Aura is an open-source, easy-to-assemble air quality monitoring station with a touch screen UI, web configuration, and smart home integration.

How It Works

1
🔍 Discover Project Aura

You find this cool open-source air quality monitor while looking for ways to check indoor air at home.

2
🛒 Gather your parts

Order the display board and plug-and-play sensors like the main air sensor and pressure module from trusted shops—no soldering needed.

3
🔌 Snap it together

Connect the sensors to the board using simple cables; it's designed for easy, mistake-proof assembly.

4
⚡ Power it up

Download the ready-to-use software, connect your board to your computer, and flash it with one click—your device springs to life with a beautiful touch screen.

5
📱 Connect to WiFi

Your device creates its own WiFi spot; join from your phone, enter your home network details on the simple web page, and it's online.

6
🎛️ Customize it

Visit aura.local on your browser to set time zone, connect to smart home, pick themes, and tweak lights—everything feels polished and intuitive.

✅ Breathe easy

Watch live air quality readings on the screen, get alerts for poor air, and see it all in your smart home dashboard—your space is now healthier and smarter.

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Star Growth

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AI-Generated Review

What is project_aura?

Project Aura on GitHub turns an ESP32-S3 board into a polished air quality station, tracking PM2.5/PM10, CO2, VOC, NOx, temperature, humidity, pressure, and HCHO with professional-grade sensors like Sensirion SEN66. It delivers a smooth touch UI via LVGL on a 4.3-inch Waveshare display (800x480 resolution), plus MQTT integration for Home Assistant dashboards and a web portal for Wi-Fi/mDNS setup. Written in C, it solves the gap between bare sensor boards and reliable, no-solder home monitors using Grove connectors.

Why is it gaining traction?

With 111 stars, Aura stands out for its ready-to-assemble hardware (ESP32-S3 N16R8 compatible, like Freenove/Xiao boards) and features like automatic HA discovery, multi-language UI (English to Chinese), night mode, and safe boot rollback on crashes. Developers grab it for the YouTube demo showing buttery LVGL animations and pressure trend graphs, plus easy MQTT publishing—no more wiring headaches or flaky prototypes. The crowdfunding for 3D enclosures and guides boosts its maker appeal.

Who should use this?

Home Assistant users needing a dedicated air quality sensor with auto-discovery and YAML dashboards. Makers prototyping ESP32-S3 IoT devices who want LVGL touch UI without custom graphics code. Indoor air quality hobbyists monitoring offices or grow rooms, especially those avoiding soldering.

Verdict

Grab Aura if you're building HA-integrated monitors—solid docs, video demos, and PlatformIO build make it dev-friendly despite 1.0% credibility and modest stars. Maturity is early (GPLv3, active discussions), so test sensors thoroughly before production.

(198 words)

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