Are you running the latest version of the Sonoff custom component?
( https://github.com/peterbuga/HASS-sonoff-ewelink )
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Happy to help!
new beta integrations here https://github.com/peterbuga/HASS-sonoff-ewelink/tree/dev 
:
Sonoff iFan02/03, Sonoff RF Bridge & Sonoff B1 support for latest HA versions. quite a lot has been changed so be aware bugs might show up, keep an eye on the error log.
feel free to try it and report back if you want. 
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Hi,
Just cross posting this issue I raised, think it may be Sonoff specific…
https://community.home-assistant.io/t/problem-with-group-of-switches
One of the issues is that switching a switch off instantly changes the state to OFF regardless of whether the switch is actually off. The timeout for this ‘Error’ used to be 10 seconds (i.e. Switch OFF, 10 seconds later the switch state would change back to ON if the request to switch off had been unsuccessful), however now this timout appears to be 60 seconds, which IMHO is far too long…, can we have this back to 10 seconds please ??
i’m interested on this but i have POW R2 upgraded to 3.3.3.0 but when i run sensor.py ,i got nothing data ,can anyone help me?
all i want to show the voltage ,Amps and Watts .
@aamhm POW R2 fw 3.3.0 has been reported multiple times that is not updating/sending the A/W/C values over websocket or api requests without having an ewelink app open (another world class itead b.s. fix) so you’re kinda out of luck. regarding the sensor.py i’m not sure what your trying to say/achieve TBH
@peterbuga my POW R2 fw is 3.3.1 and it show me on ewelink app with all the volt , amp and watt perfect with no problem ,so is 3.3.1 can let me see on the command prompt ur python sensor.py to show me the volt amp and watt ,will it work? cause i’m not good in programming and stuff , i did the folder custom_components --> sonoff and create the configuration file configuration.yaml with the data of my email and password ,but still give me nothin, so did i mess something,thanks
no, you got everything wrong. this is not how this component works, sorry but it’s better if you just drop this idea.
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Hi Peter,
Many thanks, The B1’s are working again, colour, brightness, warmth all seem to be correct.
Thanks again.
@peterbuga ok drop the idea , now i understand what is HA 100 and i can use it on Virtualbox and i’ll try to make it work and see the wat and amp on it, thanks peter
@peterbuga ,now i got HA 101 working on Virtualbox ,how can i add the Sonoff POW r2 to it ,can you help me?
@peterbuga i’m stuck now at how can i make ur custom_component run inside my HA 101.2,wish u help me?
i have add in configuration.yaml ,i have copy the files inside \config\custom_components\sonoff
but still cannot make ur component run as switch on or switch off my sonoff Pow R2?
@peterbuga take a look on this screenshot
At Last i fixed it by remove the sonoff folder from custome_components then put it back and put second account email and password and it works ,thanks @peterbuga
i confirm that it works with POW R2 switch on and off ,also sensor shows voltage ,amp and watt , on HA 101.2 and Sonoff R2 in Latest Firmware 3.3.1 ,thanks to you
Sonoff no longer works with 101.3 November 5th release. I think the problem is related to this:
Breaking Changes
Removed - The following integrations have been removed:
Direct authentication via trusted networks or API password - It is no longer possible to make authenticated requests using trusted networks or by appending ?api_password=X to the URL. You will now first need to get an authentication token and use that token to make requests. Auth providers for trusted networks and API passwords are still available. - (@balloob - #27656) (auth docs) (http docs) (websocket_api docs)
@Simon_Bunn sounds like none sense to me 
that breaking change has no link to this component, I suggest to double check your install/env
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When I add a new sonoff device (and sometimes when I open the ewilnk app in my phone) all of my sonoff switches become unavailable in the HA fornted.
I have to delete (#) the sonoff configuration and reinstall it.
Is this usual?
Is there something we can do about it? I am asking because today some of my automations stopped working just because yesterday I added one more sonoff device.
Are you using dual ewelink cloud accounts?
One for the APP and one for HA?
edit: delete
edit: delete