Head to Config / Sync Settings. Here you will set up the button so that it controls other instances of WLED that are on the same WiFi network.
There are 8 different sync groups available. For now use group 1.
In the next section, you have the option to sync only the colors or the palettes and not the effects -- some effects look too busy on one project but just right on another, so this can be useful when creating a "scene" with multiple light projects.
Click "Enable sync on start" and "Send notifications on button press or IR" so the other instances change when you press your button.
Head back to the main control screen and click the Sync button at the top. Now any animations or presets running on your button controller will be pushed out to other instances in Sync group 1 on the same WiFi network.
Check to be sure the lights you want to control also have the "receive" box on Sync group 1 enabled. Also make sure none of your other projects have this Sync box checked -- WLED can get confused if two projects are trying to be the Sync controller at once.
I'm controlling a few different art pieces in my living room that each have their own presets and modes already set up. I was hoping I could send a command with the button that simply calls the next preset on the receivers, but that's not the way WLED works. If you want to control your projects with this button, the presets need to live on the button's controller - it can't send commands to use local presets on other controllers.
Instead, I needed to copy the presets over to my button's controller. I did this efficiently by running this process in reverse: I turned on the Sync "send" command on the existing art and then the "receive" command on my button. As I selected each preset, WLED would receive it on the button controller, and I could save it as a preset on that controller.
This was a fast way to re-create all the presets I wanted to collect from my other projects and store them on the button controller. Once all the presets were saved, I turned off sync on the existing pieces and turned it back on on the button controller, and I was in business.
Page last edited December 17, 2025
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