[SOLVED] Esp32 over mqtt

IoT Devices
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1

please, I need an explanation(in more details) for every code line in connecting esp32 to ubidots over mqtt

2

Greetings, this article may serve you as reference.

All the best

1 Like
3

Thanks a lot for helping me
I need another help
I was wanting to send two variables (random data) to ubidots and I did ,
But there is a problem there is no data on ubidots appeared only on serial monitor?
this is the code
sketch_jul30a.ino (3.4 KB)

and this is the serial monitor screenshot

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Screenshot%20(199)1366×768 32.8 KB

4

Please refer to this example to know how to send properly data through MQTT.

All the best

5

It doesn’t work with esp 32 ,so what now?

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Screenshot%20(200)1366×768 37.7 KB

6

I have not noticed that you were using an esp32, the examples provided are intended for ESP8266, for ESP32 we have a reference example using microPython here.

You can find several resources that may serve you as reference at our help center too.

All the best.

7

I used this
http://help.ubidots.com/connect-your-devices/connect-an-esp32-devkitc-to-ubidots-over-mqtt
as a reference it works only with one variable
if I added two or three variables it doesn’t work
why??

8

Greetings, you will have to modify the payload built in the code to fit the structure below:

topic:
/v1.6/devices/LABEL_DEVICE

payload:
{"var-1": {"value": value-1}, "var-2": {"value": value-2}}

All the best