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I developed an android app to send data from android to arduino uno + wifi shield and vice versa. I already can send from android to arduino, but i don't know how i send from arduino to android.... i just need an message that tell me if the data sent from android to arduino were well received...
I'm using this shield

if you want i can send you my app

Please help me on this problem, because i already googled and tested a lot of things that i found on the internet, but still have no success.

tell me something please

What I have tried:

I already googled a lot, and tested a few codes, but i have no success...
Richard MacCutchan 6-Jun-16 7:04am    
You will most likely get a quicker answer by posting in the forum at that website.
Mike Hankey 6-Jun-16 8:03am    
If you're using the Arduino IDE I would post the question on their site, you're more apt to get a quicker response there. I don't use their IDE so can't give you a URL to their QA.
Mircea Diaconescu 6-Aug-16 5:58am    
I think that my CP article Arduino WiFi-Connected Weather Station with Android User Interface can help you to solve your problem.
Member 14035065 27-Oct-18 16:11pm    
please send me your source code i want to check

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