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DESCRIPTIONThe MQ8 hydrogen sensor is designed to measure the concentration of hydrogen in the air, with a measurement range of 100 to 10,000ppm (parts per million).This sensor works as a variable resistor that changes its value depending on the concentration of hydrogen gas present in the ambient a..

The MQ-136 Gas Sensor Module is designed to detect Hydrogen Sulfide (H2S) gas in the air. Highly sensitive with a fast response time, this module provides both analog output (for precise concentration measurement) and digital output (with adjustable threshold via potentiometer). It is ideal for envi..