Gassensormodul Rauch Butan Methan Detektionsmodul für AL MQ-2-135-3-7-8-9
ab 2,82 €
It is normal for the sensor to heat up, because there is a heating wire inside, if it is hot, it is not normal. MQ-9 carbon monoxide combustible gas sensor. This sensor can detect a variety of flammable gases, especially natural gas, and is a low-cost sensor suitable for a variety of applications.
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