Itās working great, @formatBCE. Thanks a lot! 
Just one thing that Iāve been trying to work it out, with the Core 300S. Still no preset mode: auto, fot that model?
The fanās service (set preset mode), only seems to change for āsleepā.
Hi!
Yes, there was a misunderstanding from start, and I didnāt add auto mode.
Itās easy to do, since itās supported. I will do it, once have time. Or you may do it yourself in file fan.py (just copy from 400S instead of 200s, like I did) 
Done. Thanks!
Thank you very much for working on this! I just got one of these for a gift and am excited to be able to control it and use in automations.
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Very very new to home assistant (less than 3 months), not a developer. Iāve read this thread and multiple others threads trying to figure out how to install this for a 400s Air purifier but have had no luck.
Iām unable to get past the first stepā¦ āpip install pyvesyncā
My version of home assistant is on a home assistant blue rasberry pi.
I tired copying the extracted zip file from GitHub - webdjoe/pyvesync: pyvesync is a python library to manage Etekcity & Levoit smart devices to my custom components directory and that didnāt work.
I tried the default VeSync integration (just for fun) but that didnāt work as it doesnātā support the 400S. Tried to google the pip install and I know itās a python command for installing packages but thatās it.
Any help for this newb to get past step one would be greatly appreciated, thanks!
Hi!
Go here: GitHub - formatBCE/HA_VeSync_Classic300s (this is an integration repo).
Download and extract folder to custom_components.
Reboot HA.
Go to integrations and add VeSync formatBCE there.
Will work
P.S. pyvesync is Python library, and HA integration works on top of it. Donāt try to install pyvesync directly into HA - you have to use integration instead.
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NP, welcome to mad and fascinating world of Home Assistant!
Ok another question. by using the integration you provided above I am now able to turn the fan on and off on my 400S Air purifier through home assistant, but iām unable to see anything else (air quality, fan speed, etc).
It appears that in this threat Add support in Vesync for Levoit 400s Air Purifier - #14 by helmarw is based on the same python library that your code is based on. If that is true and that threads library exposes the fan speed, air quality, etc. Should I also be seeing the fan speed, air quality etc using your integration or is that threats code: core/homeassistant/components/vesync at dev Ā· home-assistant/core Ā· GitHub different than the code you provided: [GitHub - formatBCE/HA_VeSync_Classic300s]GitHub - formatBCE/HA_VeSync_Classic300s ? Thanks!
As you might see, theyāre adding template sensors to see attributes as separate entities.
Short word: there is āfanā entity, created by integration.
It has state switch (on/off) - itās main property. As entity can have only one main state, other properties are added like āattributesā.
If you navigate to Dev Tools section, and find your fan entity there, you will see attributes with all available info there. They also can be used in automations, for example, as triggers. But to add them to UI, youāll need to create another entities manually (template sensors), which will use fan attributes as main state property.
Perfect, thank you! Iāll go ahead and start creating some of those template sensors.
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Hi everyone, I have loaded this custom component, but I am not able to see any entities related to it. I currently have a Dual 200s Humidifier. I noted it shows as supported in pyvesync, and am curious if its simply not supported in HA via this component. If not, am I able to edit anything to obtain basic functionality? Been at it a couple hours now.
Updateā¦ It appears as though I had the incorrect version of the component. It is now loading as expected. Thanks!
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Hello, folks. Anybody else suddenly lost the humidifier?
It worked very well via the @formatBCE integration, and then suddenly in the morning all greyed-out 
Hey.
It happens to me time to time, looks like VeSync servers lag or so.
Just delete integration and re-add it - you donāt have to even reboot HA. Should work.
If itās not, try to delete humidifier from VeSync app, and re-add it there first.
Actually. I apologies. Looks like my humidifier lost wifi connection. Nothing changed about the network. Humidifier kept running, but showed unavailable in the app too. Removing and adding it back in the app solved for it.
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Thanks for making this custom extension BCE. Works great. Also educational in this thread I learned you can find state names and all possible attributes for a given entity in Developer Tools - which is super super helpful!
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Also, Iām curious. What is the difference between mist_virtual_level and mist_level?
I canāt really say actually - itās from pyvesync library, and it takes them from official API.
I can only guess, that one setting is related to mode, and another one is current level. At least for me in auto mode they always differ.
@formatBCE First, I want to say thank you for being so active on this thread. Second, Iāve followed the steps to get this repo installed but Iām not seeing it show in the integrations. Here are my steps.
- Download and Extract GitHub - formatBCE/HA_VeSync_Classic300s to /config/custom_components/
- Reboot HA
ā¦annnnd thatās where I hit a wall. Cant seem to find your integration in my menu.
Let me know if Iām missing something!