<![CDATA[Dobrica Pavlinušić's random unstructured stuff: MQ]]> https://saturn.ffzg.hr/rot13/index.cgi?mq Thu, 23 Jan 2020 10:05:54 -0000 root@saturn.ffzg.hr Socialtext Workspace v2.19.0.2 <![CDATA[MQ]]> https://saturn.ffzg.hr/rot13/index.cgi?mq Creator: Dobrica Pavlinušić
Tags: air quality

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

]]> Dobrica Pavlinušić air quality https://saturn.ffzg.hr/rot13/index.cgi?mq Thu, 23 Jan 2020 10:05:54 -0000