Unleash Your Inner Developer: Learn to Build MQTT Apps with MIT App Inventor | Part-2

[@thisoldjeepcj5]

Thanks for sharing.

[@GayuniBas]

Can you please explain how we can connect MIT app inventor to HiveMQ? How to set up the communication in HiveMQ

[@InnovateYourselfashu]

I'll try to make one video on this topic to explain it will.

[@abdikarimosman2511]

Can you build chatbot using rasa and botfront or give me example

[@InnovateYourselfashu]

I have already made a video on that

[@abdikarimosman2511]

@@InnovateYourselfashu where??

[@abdikarimosman2511]

Did not see it sir

[@abdikarimosman2511]

@@InnovateYourselfashu iam using Ubuntu 22

[@rajmeetsingh1625]

Hi i have this error "Attempting MQTT connection...failed, rc=-2 try again in 5 seconds" not able to connect with MQTT. I just opened your files and test. Still error. Plz any help

[@InnovateYourselfashu]

Is your internet working on ESP32. Also, What broker are you using in your case?

[@rajmeetsingh1625]

@@InnovateYourselfashu yes esp32... Same broker that you used in the video mosquito.

[@InnovateYourselfashu]

What about the internet, is it working on your ESP32?

[@rajmeetsingh1625]

@@InnovateYourselfashu yes, it's working

[@nur_arifikhwan9053]

Hi sir, why there are no sensor result on my app but my relay function successfully?

[@InnovateYourselfashu]

Hello,
What code are you using? If it is the one which I shared then did you make any changes in the code?

[@nur_arifikhwan9053]

​@InnovateYourselfashu yes a litter bit just on the pin number because I follow the circuit diagram connection pin number start from D0 to D3

[@InnovateYourselfashu]

Ok. So can you try once with the same pins which I used in the video, to verify that everything is working on the application and hardware side or not?

[@nur_arifikhwan9053]

@@InnovateYourselfashu sir...should i follow the connection based on the diagram you share? and what should i do with UrsAI2Paho.zip file?