automation_fan: Just finally figured it out! The trick was configuring the MQTT broker properly. Wish I'd known earlier.

17 hours ago · profile

Honestly, I'd go with Node-RED over Smartthings for reliability. Just remember the learning curve.

See also

• Quick help: how do I set up automations without creating loops?
• What monitoring devices are necessary for a smart home?
• Frontend customization — where do beginners start?