Blynk_write

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  1. I cannot understand this code , would you mind helping me?

in my Arduino code, I have written it as the following

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when I’ve used the app, I assigned 14 GPIO once and V1 once inside Button Widget and the code was working without any problem with both pins…Why?

2.In case I used local server I can send all the data without causing Flood Error or disconnect from the server?

@wael please edit your post, using the pencil icon at the bottom, and add triple backticks at the beginning and end of your code so that it displays correctly.
Triple backticks look like this:
```

Pete.

Please post your whole sketch, and do use triple backticks to encapsulate the code (follow Pete’s instructions).

Most likely yes! But your flooding is probably due to an “unclean” void loop() which should be avoided regardless of which server being used.

http://help.blynk.cc/en/articles/2091699-keep-your-void-loop-clean