04 Ago MQ-9 Carbon Monoxide CO Methane LPG Gas Detector Module For Arduino US
The MQ-9 can detect CO gas concentrations anywhere from 10 to 1000ppm and combustible gasses from 100-10000ppm. MQ-9 Carbon Monoxide CO and Combustible Gas (CH4, LPG) Sensor Detector Module. 1X MQ-9 Carbon Monoxide CO Combustible Gas Sensor Detector Module....