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21cncstudio

Hardware-focused maker building open-source ESP32 devices with clean architecture, real sensors, and practical UX.

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21cncstudio
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This user joined on 01/29/2026.

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Professional air quality monitor with Sensirion sensors, 4.3" touch display, and local Home Assistant integration. No soldering required.
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Project Aura — Open-Source ESP32 Air Quality

21cncstudio21cncstudio

Things I've Built

Project Aura — Smart Air Quality Monitor (ESP32)

A professional-grade DIY air quality monitor based on ESP32. Project Aura measures CO₂, VOC, PM, temperature, humidity, and pressure, features a touchscreen UI, Home Assistant integration, and a modular 3D-printed enclosure. Designed for makers,

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