MQ2 smoke/gas detector support?

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papoo
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Re: MQ2 smoke/gas detector support?

#11 Post by papoo » 04 Jul 2016, 13:33

ok, thanks
i suppose 0-10ppm CO = 0V
but 1000ppm CO = how many volts?
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EmKa
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Re: MQ2 smoke/gas detector support?

#12 Post by EmKa » 02 Feb 2017, 15:05

I would also love to use some MQ-Sensors. Are there any plans for this?
Maybe this helps:
https://github.com/IntranetOfThings/wemos-mq135

http://electronics.stackexchange.com/qu ... controller
http://davidegironi.blogspot.de/2014/01 ... -with.html
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sibianul
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Joined: 28 Jun 2017, 11:53

Re: MQ2 smoke/gas detector support?

#13 Post by sibianul » 03 Jul 2017, 00:10

I also want to know if there are any plans to support MQ sensors? there are quite a few variants, I got a few now one year ago but never tryed to use them :(
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dawauz
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Re: MQ2 smoke/gas detector support?

#14 Post by dawauz » 08 Nov 2017, 14:05

Can someone tell if the CO sensor MQ-9 will work with 2.0 ?
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dony71
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Re: MQ2 smoke/gas detector support?

#15 Post by dony71 » 27 Apr 2018, 22:28

Add MQ135 plugin at https://github.com/letscontrolit/ESPEas ... Playground
Please test
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roev
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Joined: 10 Aug 2018, 10:01

Re: MQ2 smoke/gas detector support?

#16 Post by roev » 10 Aug 2018, 10:24

I installed the MQ135 plugin, but reading out looks a factor 10 to high.
Is plugin based on 5 volt feed on sensor or 3,3 Volt ?
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