IR to Lighting Switch /Dimmer

You can add a wifi/IR blaster starting from €15. I can recommend a Broadlink RM 4 (mini) 100%. These units can learn/send signals with Homey.

Or maybe this:

About “where do I find X”:
Just enter the words “advanced flow” here or in YouTube search bars.

Here’s a nice forum topic as well:

Here’s a number of example adv. flows: