Arduino MQTT Tutorial - Coding & Live Demo using SIM900

In this video we will see how we can write simple Arduino code to interact with a MQTT broker through a TCP connection created by SIM900 GSM GPRS module. You can also use this same code along with SIM800 or SIM808 modules which support the same AT commands for TCP/IP.

[RaviPujar]

The code link is in video description. Dont forget to Subscribe :)

[vdb_damy]

ravi sos el mejor gracias por tus videos ...

[KonesThe]

Hello Ravi, I have a question. I made a similar program to run on my arduino but I have a problem in the websocket in cloudmqtt.com. It doesn't send any message because it says that there is a problem with my firewall and the websocket port (TLS). Have you experienced anything similar?

[billordonezegoavil]

Thanks for your video. That helped me a lot.

[dumidusasanka]

Hello Ravi, can be used for sim800L module for this implement?

[yasirshahzad]

all works well sending data to the server, but after 30 minutes, i get writing like + PDP: DEACT and can't send data, error to send data

[satishpatidar]

'Serial2' was not declared in this scope pls shere library

[tejasarlimatti]

Do you suppose this method works with the SIM800l module as well, because that is the one I have...

[Sunil-tzdv]

hello sir.. why we have'nt called SendSubscribePacket(); in the above program for cloud mqtt... and one more question sir.. if we want to send random number i.e randtotal=random(400, 800), then how we will send it ??

[sukanyapatil]

Thanks for your support. But same procedure I am trying to do in PIC18F4620.Am getting error in TCP connection.Please give me some hint about same thing in PIC18F4620.

[edevalddrovetto]

Great content, can you make a video about using the libraries TinyGSM (sim800L) and ArduinoMqttClient? Thanks.

[vedanshusharma]

Sir, following your tutorial and but at the end the AT+CIPSEND command responds in garbage.
Need your help ASAP.

[rushikeshjalvi]

Sir we are using SIM808 along with Arduino UNO ...We are using ur code and changed the User, Password and Port according to our Cloud MQTT account but still cant see any response in our Websocket UI. So sir do we have to make any other changes to the code ?? We dont understand what we are doing wrong

[MohitSingh]

is it possible to send string like some link instead of counter value which is int? Please help.

[mrrcomp]

Hi
I get an error when compiling the SendConnectpackt on line mySeial.write(MQTTKeepAlive >>8); (exit status 1 : call of overloaded 'write(unsigned int)' is ambiquous..

What is the reason?

Looking forward to your kind response
Regar

[nadjibjipou]

Hello Sir ; In Serial i have same like You, But on CloudMqtt i have nothing publish, Have any IDea ? Thanks Sir

[dgasparotti]

The link to the Arduino code does not work. Could you update the link?

[jayanthinaik]

I am new to GSM hardware. I am using Sim900A GSM module with Arduino Uno. I am using your code to connect to cloudmqtt. I am using idea sim in GSM module and I changed apn to “imis/internet”. And and similarly I changed username and password and host and port. But When I run code In websocket UI I am not seeing any data. Can you please help me to solve this?

[malleswarireddy]

im getting the error on typing have some doughts can u please help me to overcome them.

[vipulkhandare]

please send me excel sheet for calculation....i use different username and password it can't work please suggest me how can i publish data i use sim800c gsm module