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Adrian
최근 활동: 2023년 10월 26일

Losing connection with Thingspeak after exactly 1 hour

Hi, I'm losing comms with thingspeak after exactly one hour. I'm on the free plan while I evaluate TS.

I am sending data once a minute. It works fine for one hour, and I get 200-OK responses. After exactly 1 hour, the response from TS is a 404-not found. I do a new DNS lookup, and get a new IP address for TS. Still no response. I do more DNS lookups, and get another different IP address. It cycles through 3 different IP addresses, but noe of them work one hour after bootup on my device.

I'm running an Arduino Nano with an Ethercard and the JNH library. I can still ping the arduino, serve webpages and ping a monitored device, and get NTP time, all in a 1 minute loop, so I doubt the TCP/IP stack has crashed.

after I restart the device, it works again for exactly one hour, and the I lose comms with Thingspeak again.

Any help would be appreciated!

Thanks,

Adrian

ThingSpeak

Jitse Schaafsma
최근 활동: 2024년 4월 4일

MQTT.tool no connection to MQTT server

In my struggle to get my SIM7600 connected to thingspeak using MQTT, i went to the basics: simple testing of my connection:

I use this site : https://testclient-cloud.mqtt.cool

Protocol :tcp

Host : mqtt3.thingspeak.com

Port : 1883

Username : got it from my device (double checked !)

Password : got it from my device (double checked !)

When i try to connect I get the message Connection refused : bad user name or password.

I am completely lost. What basic stupi mistake am i missing. I thoroughly read the MQTT help pages.

Any help is appreciated.

Update :

When i select Dedicated connection and i also fill in the will message and will topic, i am able to update my channel. At least some progress.

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