The M5Stack TVOC/eCO2 Gas Unit is a compact air quality sensor module that detects total volatile organic compounds and equivalent CO2 levels using the SGP30 sensor chip. It connects to M5Stack development boards via I2C, enabling real-time indoor air quality monitoring in IoT and smart home projects.
Detects TVOC and eCO2 concentrations for continuous indoor air quality tracking
SGP30 sensor provides fast warm-up and low power consumption for battery-operated deployments
Compact form factor integrates directly onto M5Stack Core boards without additional wiring
I2C digital interface ensures reliable communication with minimal code overhead
Das zeichnet M5Stack TVOC/eCO2 Gas Unit aus
Unlike basic temperature or humidity sensors, this unit measures the actual chemical composition of ambient air through VOC detection. The SGP30 chip combines a MOX sensor array with a built-in signal processor, delivering calibrated eCO2 and TVOC values without requiring external calibration.
Ideal für...
Maker and IoT developers building air quality dashboards, smart ventilation controllers, or environmental monitoring stations. Also suited for industrial prototyping where early detection of off-gassing materials or poor ventilation is critical.
Anwendung von M5Stack TVOC/eCO2 Gas Unit
Mount the unit onto an M5Stack Core board using the Grove connector
Initialize the SGP30 sensor via I2C in your firmware (Arduino, MicroPython, or UIFlow)
Read TVOC and eCO2 values at regular intervals and log or display them
Trigger alerts or ventilation actions when thresholds are exceeded
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