Hi, I am new with the mangOH Yellow and I would like to know how can I bypass the utilization of Octave as I want to implement another communication protocol with the mangOH and my server.
I have removed my device from the Octave website, is it enough?
Furthermore, how can I implement MQTT and LwM2M protocol communication with the mangOH Yellow?
Thank you very much,
You can download the fw without octave
For mqtt, you can try this sample app
Thank you very much for your reactivity @jyijyi
You know how to implement LwM2M protocol?
I saw Leshan and Wakaama with Eclipse is it a good start point?
You can see here
I don’t understand how it works to run the mqtt client on my device, they said to build it with an mqtt sample app. What does it mean?
For example if I have a broker on a specific address and I want that my device send data to it, where should I develop?
You need to develop in vscode
Sorry but I don’t mean with which software should I develop.
I have installed the mqttSubscriber and the mqttPublisher and I want to publish data to my MQTT Broker with DataHub.
You might see here
Thank you for your reply jyijyi but when I update this on my device and I start the apps as described on the GitHub, I don’t see he periodic messages from publisher and subscriber on the logread
Does it connect to mqtt server?
I created the mqtt broker by typing on my workspace
“systemctl start mosquitto”
Then does it connect to mqtt server?
Where could I find this information? In the log file I don’t see any keyword that match with a connection
You can check the mqtt server
Indeed, I checked the log of the mosquitto server and I see messages send on the topic “$IMEI/messages/json” and I was listening the wrong topic.
thank you!
Hi @johnbregue did you understand how to use mqtt protocol? I’m approaching to it in these days and I would be very happy to be able to understand with someone on how to do it
Hi @gavinoimparato1 yes I could help you
@johnbregue Oh thank you. I finally understand lots of things on this protocol. I am implementing a SW using the app in the Legato PlatformServices folder. I’m having problems of socket errors, so I can’t connect to mosquitto broker. Did you ever see this error? I cannot understand what the causes may be. I am really very grateful to you if you help me.
Best Regards
I can ping 8.8.8.8 so it is not a connection error. I installed mosquitto server on my VM with the command line ctrl sudo snap install mosquitto and I can publish and subscribe a message in local host (opening two terminals)
On the other side, if I put in the code the AirVantage broker adress, I see:
So I don’t think I got anything wrong in the code, but at the same time I can’t even say why it doesn’t work 
