Dobrica Pavlinušić's random unstructured stuff
MQ: Revision 4
Analog sensors
^ MQ-2 * MQ-2 gas sensor has high sensitity to LPG, Propane and Hydrogen, also could be used to Methane and other combustible steam board markings: KS123-35Y00K LM393 ^ MQ-4 * High sensitivity to CH 4 ,Natural gas. * Small sensitivity to alcohol, smoke. board markings: LM-22 LM393 ^ MQ-7 * High sensitivity to carbon monoxide board markings: LM-22 LM393 https://www.instructables.com/id/Arduino-CO-Monitor-Using-MQ-7-Sensor/ My changes for single-line NAME=value output https://github.com/dpavlin/mq7-co-monitor |