The short answer is that there is at present no easy official way to do this.
There are two ways.
The medium way is to use custom code and select a smart app specifically designed for this function like “dim and dimmer” or “dim with me.”
If you haven’t use custom code before take a look at this overview FAQ for the basic approach.
The original FAQ information in this thread refers to the original smartthings architecture, which was in place through the end of 2022 and a little beyond. Custom code was written in the groovy programming language and ran in the smartthings cloud.
As of May 2023, you can no longer add new Groovy DTH‘s or smartapps to your smartthings account. So if you came here because of a link in an old forum thread, or on another site, I’m afraid the Groovy information is no longer usable.
All of this was replaced by a new architecture. Cloud to cloud integrations use the smartthings API. Hub connected devices, mostly Zigbee and zwave, now use “Edge Drivers,” written in the LUA programming language. Here’s the official announcement on those:
The process for using a custom Edge Driver in the new …
Then if that seems like something you would like to do, look through the community created smart app section for specific individual lighting apps.
https://community.smartthings.com/c/projects-stories/created-smart-apps
The hard way is to get involved with the alpha testing for core (Community’s own rules engine). Very powerful very sophisticated very complicated rules engine which is currently in its very first development steps. So lots of glitches and you may from time to time have to remove everything and start all over again as changes are made to the code. But you will be directly involved with the designer and can help influence features.
UPDATE 8/12/2016: CoRE has moved on to Beta Milestone 2. Please kindly follow us here .
In an attempt to fill the huge void left by the withdrawal of Rule Machine, a few brave community members started their journey to creating a new rule engine to rule them all. We’ve decided to call it CoRE, an abbreviation that stands for “Community’s own Rule Engine”, courtesy of @SBDOBRESCU (his idea, really).
WARNING: This SmartApp is in an alpha BETA development stage and may be quirky. It may also change rapidly and drastically, involving a full reset of the app in order to upgrade.
It is not recommend to install this SmartApp in a “production” environment, but we encourage people to try it out.
IMPORTANT: This topic is here for general information and peer assistance. If you want to point out e…
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