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Troubleshooting

RoomHub cannot connect to MQTT, even when configured MQTT hostname is correct

Some ESP32 modules have problems with connection client, probably because of some previously stored data. Currently the only proved workaround is to change firmware temporarily to call Client.flush();.

RoomHub disconnects from MQTT from time to time when RoomHub is connected via ethernet cable

This is a known issue with W5500. Currently there is not known solutions for that. If you have encountered this problem - please use WiFi instead. We are tracking this problem in GitHub issue.

Switch button doesn't work properly - sometimes it sends message multiple times even when pressed once

Debounce value is too low. See Switch button in supported devices section for details.