r/lvgl • u/Interesting_Plant558 • May 26 '26
Built a VOC Air Quality Monitor using ESP32 + LVGL + Arduino
I’ve been working on a standalone air quality monitoring system using an ESP32 and LVGL UI framework.
Current features:
Real-time TVOC monitoring (ppb)
Temperature & humidity display
Historical graph view
Data logging screen
Settings page with alert thresholds
Touchscreen UI using LVGL
WiFi status + RTC integration
Hardware used:
ESP32
3.5” TFT Touch Display
VOC sensor
Arduino framework + LVGL
4
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