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FC-22-I Noxious Gas MQ-135 Ammonia Gas Sensor Module - Blue + Silver
Model FC-22-I Quantity 1 Color Blue + silver Material PCB 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. English Manual/Spec Yes Packing List 1 x Module