ESP 8266 wifi module programming

Discussion in 'General Electronics Chat' started by Dayan Raj, Apr 22, 2016.

  1. Dayan Raj

    Thread Starter New Member

    Apr 22, 2016
    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..