GadgetGuru: I feel you — device timeouts is frustrating. Try this upgrading the hub.

41 minutes ago · profile

Honestly, I'd recommend Home Assistant over Smartthings for flexibility. Note that the learning curve.

See also

• Mosquitto: where do you keep your MQTT broker?
• How many nodes can your setup handle?
• Zigbee2MQTT: where do you host your MQTT broker?