Most voted "mqtt" questions
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answers310
viewsWhat is the MQTT protocol?
These days I’ve heard of a communication protocol called MQTT. For me it sounded like news and I would like to ask some questions: What is the MQTT? He uses TCP? It has some difference in relation…
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viewsArduino MQTT connection via read file
When connecting to the mqtt server using the Pubsubclient library, I can connect normally using: #define servidor_mqtt "192.168.15.24" Only this way I get hitched to always use the same address for…
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viewsMosquitto 3.1.1 in Ubunto 18.04
When installing mosquitto by apt-get it does the installation of version 3.1, Since this version does not support the -F parameter in mosquitto_sub, present only in version 3.1.1 How to install the…
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answer41
viewsHow to use a Serverless function from Cloudmqtt?
I’m trying to integrate Cloudmqtt Broker with an AWS Node.js serverless function but I can’t find any documentation on how to do it. The goal is when arriving a message in Broker it trigar a Lambda…
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answers54
viewsGetting id wrong
In the small project I am doing, the user enters his login and password. The system makes a POST for a URL and checks the answer. If you log in, it returns some things like the user ID, email and…
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viewsHow to get communication response using MQTT
I am developing an application which I use the MQTT communication protocol, where my system sends a command to a certain equipment, my equipment is receiving the command and changing the status. The…
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answer68
viewsWhat Spring annotation I need to use with Mqttcallback messageArrived
I am new to Spring and am trying to insert in my Mysql database from the message received from MQTT. I created my application as follows: public static void main(String[] args) throws…
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viewsWhat service do I use to receive data in AWS sent by MQTT?
Which service is recommended for me to receive data sent via MQTT protocol? Should I use Amazon MQ ? or the Aws Iot ? The data will be sent frequently 1 minute and can reach 200 messages at a time,…