I have tried to connect ESP8266 (version 12) module to Arduino Uno. I have wired it as follows:
Arduino --- ESP8266
RX --- TX
TX --- RX
3.3V --- VCC ; CH_PD ; GPIO 2
GND --- GND ; GPIO15
When I type AT into serial monitor on Arduino IDE, I get no response.
I want to use this module as an Arduino Shield with the Arduino to connect to iOS App, but cannot simply get it to connect and respond to Arduino.
Looking for urgent replies,
Regards,
Tara