SystemAdmin: Honestly, I'd choose Home Assistant over Smartthings for your case. Just remember the learning curve.

11 hours ago · profile

FYI: the Node-RED community has pre-built configurations — helped me avoid so much trial and error.

See also

• Anyone using AppDaemon for advanced logic?
• Has anyone tried ESPHome for door locks? Worth it?
• What monitoring devices are essential for a smart home?