ESP 8266 wifi module programming

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Dayan Raj

Joined Apr 22, 2016
1
Hi,... i am learning to use esp8266 wifi module. i am using it to interface with an arduino uno. every time i send an at command to the module it returns only '-1' (minus one) as response. whats wrong? i dont get an OK response at all. pls help me out..
 
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