MQ-135 Sensor Air Quality Sensor Hazardous Gas Detection module
A hazardous gas detection apparatus for the family, the environment, suitable for ammonia, aromatic compounds, sulfur, benzene vapor, smoke and other gases harmful gas detection, gas-sensitive element test concentration. Air quality sensor is for detecting a wide range of gases, including NH3, NOx, alcohol, benzene, smoke and CO2. Ideal for use in office or factory, Read more about MQ-135 Sensor Air Quality Sensor Hazardous Gas Detection module[…]