Gravity: Electrochemical SO2 Sensor (0-20ppm, I2C & UART)
Factory-calibrated electrochemical SO2 sensor (0–20ppm) with analog, I2C, and UART (0–3V) outputs, 3.3–5.5V supply. Temperature compensation included; lifespan >2 years.
Start wiring
I2C · Analog · UART · 3.3 – 5 V · Breakout
Waveshare lists MQ-2 for combustible gases and smoke, MQ-3 for alcohol, and MQ-135 for mixed indoor pollutants such as NH3, NOx, alcohol,…
Air quality
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