Data Collection
ESP32
--:--:--
Live sensors
Live
TVOC
--ppb
PM2.5
--µg/m³
CO (GM702B)
--
NO₂ (GM102B)
--
VOC (GM502B)
--
EtOH (GM302B)
--
Temp
--°C
Humidity
--%
Select label
Cigarette
Vape
E-Cigarette
Bakhour
Alcohol spray
Perfume
Baseline (clean air)
Or type a custom label
Duration: min sec
Session metadata
AC state
Window opening (cm)
Car model
Researcher initials
Notes (optional)
Recording...0s
Event flags
⏳ Capturing decay tail — do not close (s remaining)
Class coverage
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Collected files
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