DustSensor (by wojked) - adding a CO2 Sensor

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fresh
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Joined: 15 Feb 2023, 19:44

DustSensor (by wojked) - adding a CO2 Sensor

#1 Post by fresh » 15 Feb 2023, 20:03

Dear Community,

my name is Ben and I am more the mechanical engineer type of guy than a coder.
Anyway, I am very interested the ESP Easy Project and wanted to dive into this world with building myself some cheap air-quality sensors with a small display to use it in different spaces and later on being able to integrate it in a smart-home enviroment.
I stumbled over the "DustSensor" from wojked that had a neat Design and seemed to work with less components.
The tutorial is easy to understand and I think i can do this without big issues.

Sadly there is no CO2 Sensor implemented in his design, so I checked the ESP Easy website if there is some CO2 Sensors that I can use and recognized the MH-Z19 that seemed to have an existing plugin. (https://espeasy.readthedocs.io/en/lates ... ght=MH-Z19)

I asked myself if it is a big deal to use this sensor additionally in the DustSensor-Setup to additionally have the Display of the WEMOS NodeMCU showing also the CO2 Levels.

Would be really nice to get some kick-start into this project from you guys.

Best regards
BEN

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Ath
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Re: DustSensor (by wojked) - adding a CO2 Sensor

#2 Post by Ath » 15 Feb 2023, 20:31

Hi Ben,

Both the Dust and CO2 sensors you seem to mention (didn't find "the "DustSensor" from wojked"" but I assume it's a SDS011 or PMSx003 device) are supported in the Climate build, so you can install that on your ESP.

That Climate build has support for OLed screens.
/Ton (PayPal.me)

fresh
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Re: DustSensor (by wojked) - adding a CO2 Sensor

#3 Post by fresh » 15 Feb 2023, 21:47

You are 100% right with the SDS011. I will go for the MH-Z19 and try it out.
Hope everything works out fine, otherwise you will here from me soon.

Thanks Ton!

Best
BEN

wojked
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Joined: 03 Mar 2023, 22:05

Re: DustSensor (by wojked) - adding a CO2 Sensor

#4 Post by wojked » 03 Mar 2023, 22:10

Hey!

Do not hesitate to also write me if you have any issues.
Let me know how did it go!

Greetings,
wojked

P.S. Kudos to the “lets control it” team!

bidrohini
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Re: DustSensor (by wojked) - adding a CO2 Sensor

#5 Post by bidrohini » 04 Mar 2023, 08:09

fresh wrote: 15 Feb 2023, 21:47 You are 100% right with the SDS011. I will go for the MH-Z19 and try it out.
Hope everything works out fine, otherwise you will here from me soon.

Thanks Ton!

Best
BEN
Hi there. Here I found how to make a CO2 meter with ESPeasy using Senseair S8 sensor. It has some advantages over MH-Z19. I think you'd like to take a look.

https://emariete.com/en/meter-co2-esp82 ... nseair-s8/

By the way, MH-Z19 is good also. With that, you can also make many versatile PCBs like this:

https://www.pcbway.com/project/sharepro ... ector.html

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