There are quite a few different gas sensors you can use together with MySensors. Detect alcohol, methane (fart-sensor?), fire etc. We list a few in the buying guide below. MQ-2 Semiconductor Sensor for Combustible Gas Sensitive material of MQ-2 gas sensor is SnO 2, which with lower conductivity in clean air.When the target combustible gas exist, The sensor’s conductivity is more higher along with the gas concentration

HANWEI SENSORS MQ-6 www.hwsensor.com TEL:86-371-67169080 FAX: 86-371-67169090 E-mail:[email protected] MQ138 Semiconductor Sensor for Organic Steam Sensitive material of MQ138 gas sensor is SnO 2, which with lower conductivity in clean air.When the target Organic Steam exist, The sensor’s conductivity is more higher along with the gas