I have a baker's dozen or so Nodemcu's running MQTT back to Node red. For the most part they all work fine doing what they are supposed to do. I have one that refuses to stay connected for extended periods of time. It may be a week, a day or even a few minutes then it falls off the network. I have d…

I think the [ and ] indicate optional parameters, not that these parameters should be wrapped in brackets. boolean connect (clientID, [username, password], [willTopic, willQoS, willRetain, willMessage], [cleanSession]) Try this? MQTTclient.connect ("random3",,,"LWT",1,true,"random3 disconnect")

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Node Red, MQTT NodeMCU and LWT questions

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