ZigbeeExplorer: I've been there — WiFi disconnections is infuriating. What worked for me was using a dedicated 2.4GHz network.

6 days ago · profile

Check the GitHub issues for Home Assistant — there's a decent writeup that covers this scenario.

See also

• Stupid question: is MQTT the same as HTTP?
• HA: where do you run your MQTT broker?
• How do I connect my Philips Hue to Home Assistant?