# Controlling sunblind with Weather Underground **URL:** \ **Category:** Questions & Help\ **Created:** [June 20, 2025, 6:15am UTC](https://community.homey.app/t/controlling-sunblind-with-weather-underground/138431 "2025-06-20T06:15:08Z")\ **Posts on this page:** 5\ **Page:** 1
**Author:** ![PeterVos](https://sea1.discourse-cdn.com/flex025/user_avatar/community.homey.app/petervos/32/33957_2.png) [@PeterVos](https://community.homey.app/u/PeterVos)\ **Post date:** [June 20, 2025, 6:15am UTC](https://community.homey.app/t/controlling-sunblind-with-weather-underground/138431/1 "2025-06-20T06:15:08Z")
I like to control my sunblind with the Weather Underground app to prevent it for heavy winds. I have made some flows for different wind forces that set the sunblind back to a certain percentage out, the more wind, the lower the percentage out. But that should only work when the sunblind is out and not when it is 100% in. And there is the problem, there is no card for it to prevent the flow from acting when the sunblind is 100% in. So the practice is that the sunblind can be set from 100% in to a certain % out when the wind comes above a defined threshold. Somebody that has a solution for this? The sunblind I have to control is a Brel device. ---
**Author:** ![Peter\_Kawa](https://sea1.discourse-cdn.com/flex025/user_avatar/community.homey.app/peter_kawa/32/173848_2.png) [@Peter\_Kawa](https://community.homey.app/u/Peter_Kawa)\ **Post date:** [June 20, 2025, 11:45am UTC](https://community.homey.app/t/controlling-sunblind-with-weather-underground/138431/2 "2025-06-20T11:45:51Z")
> [@PeterVos](#): > > there is no card for it to prevent the flow from acting when the sunblind is 100% in. Did you check the logic cards? All, or many states are avaliable as tags, which you can use as condition: [https://support.homey.app/hc/en-us/articles/4410240765586-Using-Homey-Logic-in-Flows](https://support.homey.app/hc/en-us/articles/4410240765586-Using-Homey-Logic-in-Flows). The proposed logic cards don’t show _all_ possibilities btw: ![Screenshot_20250620_134759_Firefox](https://us1.discourse-cdn.com/flex025/uploads/athom/original/3X/8/0/80b9d4f719cfc2800137506943da0a9a2df2b7b4.jpeg) ---
**Author:** ![PeterVos](https://sea1.discourse-cdn.com/flex025/user_avatar/community.homey.app/petervos/32/33957_2.png) [@PeterVos](https://community.homey.app/u/PeterVos)\ **Post date:** [June 20, 2025, 12:29pm UTC](https://community.homey.app/t/controlling-sunblind-with-weather-underground/138431/3 "2025-06-20T12:29:15Z")
Hi Peter, Thanks already for your answer. No I didn’t check them but I took a brief look at it now. I think I can’t use them because the sunblind positions are noted in percentages and the Logic position notation must be between 0 and 1. So now I’m trying to find out if 0,7 means the same as 70%. But I will have a closer look if there is something usable. ---
**Author:** ![Peter\_Kawa](https://sea1.discourse-cdn.com/flex025/user_avatar/community.homey.app/peter_kawa/32/173848_2.png) [@Peter\_Kawa](https://community.homey.app/u/Peter_Kawa)\ **Post date:** [June 20, 2025, 12:33pm UTC](https://community.homey.app/t/controlling-sunblind-with-weather-underground/138431/4 "2025-06-20T12:33:07Z")
> [@PeterVos](#): > > I think I can’t use them because the sunblind positions are noted in percentages and the Logic position notation must be between 0 and 1. Yeah that’s a bit weird @ Homey. The values we see in the app are calculated, and show us 0 - 100% But, the actual number (in flows and logic) is 0 - 1 with two digits (25% being 0.25) ---
**Author:** ![PeterVos](https://sea1.discourse-cdn.com/flex025/user_avatar/community.homey.app/petervos/32/33957_2.png) [@PeterVos](https://community.homey.app/u/PeterVos)\ **Post date:** [June 21, 2025, 9:02am UTC](https://community.homey.app/t/controlling-sunblind-with-weather-underground/138431/5 "2025-06-21T09:02:30Z")
I think I best try to make a test flow to test out if these values are the same or not. I will let the outcome know.