No hardware or much of any setup necessary. Just enter your processor hostname/ipaddress and go. The integration auto-populates your devices.
It uses the built-in web server, which means it only displays keypads and not individual devices. I have access to my Lutron programming, so I created a special keypad with buttons appropriate for smartthings, as my other keypads have a lot of duplicate and cryptic buttons.
I doubt many Lutron HomeWorks owners are interested in SmartThings, but if you are give it a try, and let me know what you think!
Also you’ll need to add the device handler from here: