This is a simple-to-use hydrogen gas sensor, suitable for sensing hydrogen concentrations in the air. The MQ-8 can detect hydrogen gas concentrations anywhere from 100-10000ppm. This sensor has a high sensitivity and fast response time. Specification Gas sensitive material: SnO2 conductivity increase according to flammable gas concentration. With power and TTL signal output instruction With Read more about MQ8 Flammable Gas MQ-8 Hydrogen Detection Sensor Module[…]