iot_maker: Check the documentation for Home Assistant — there's a helpful writeup that covers this scenario.

9 minutes ago · profile

Honestly, I'd go with Home Assistant over Smartthings for your case. Keep in mind the learning curve.

See also

• Anyone else having trouble with routines not firing?
• Can I reliably expose my setup to the internet for remote access?
• Best practices for securing a Z-Wave setup?