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|Color||Blue + silver|
|Features||Gas sensitive material: SnO2, conductivity increase according to noxious gas concentration. MQ135 sensor also sensitive to sulfide, benzene steam, smoke, etc.|
|Specification||With power and TTL signal output instruction. With TTL output and AO analog output. Effective signal is low level. Analog output voltage: 0~5V. Quick response recover.|
|Application||Widely use in household and environment. Great for Arduino DIY.|
|Packing List||1 x Module|