I recently used Sensetechnic's FRED combined with Thingspeak with a MQTT communication channel.
Up until April 4th everything was working fine. I don't know when, but between that date and today, the connection stopped working. I was forced to use the new Thingspeak broker (mqtt3.thingspeak.com instead of the old mqtt.thingspeak.com) that uses device authentication with Username and password for every device using MQTT. On my local machine I have installed Node-RED v.2.2.2 and it works fine even with this new server setting, while on FRED, given the info on the console, they have installed in their cloud Node-RED 1.2.7 and there it still doesn't send the data on Thingspeak. Is it possible that this difference in software version is what is causing the issue?
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