Emotiv push node data send them via mqtt protocol to an esp8266 and activate an output

General
4

Your image of the arduino code is cut off. Copy the code and paste it into a reply

In order to make code readable and usable it is necessary to surround your code with three backticks (also known as a left quote or backquote ```)

``` 
   code goes here 
```

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See this post for more details - How to share code or flow json