Analog MEMS gas sensor breakout for indoor CO, natural gas, and VOC detection with a single analog output. Suitable for air-quality monitoring and early fire detection. Requires calibration and warm-up time before readings are stable.
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,…
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