ESP8266 - ESP13 "Cannot initialize ESP module" from "BasicTest.ino"

Development Tools IDE 1.x
21

And I have tried this

  Serial1.begin(9600);

  pinMode(19, INPUT);  
  digitalWrite(19, HIGH);

as suggested for a GPS shield at
stackoverflow : arduino-mega-receiving-correct-data-through-serial-0-but-not-serial-1-3

22

Smithford:
And I have tried this

  Serial1.begin(9600);

pinMode(19, INPUT); 
  digitalWrite(19, HIGH);




as suggested for a GPS shield at
[stackoverflow : arduino-mega-receiving-correct-data-through-serial-0-but-not-serial-1-3](https://stackoverflow.com/questions/23122294/arduino-mega-receiving-correct-data-through-serial-0-but-not-serial-1-3)

And, this also did not work...

23

again, you can't use USB (COM, Serial Monitor) and something connected to serial at the same time. pins 0/1 RX/TX are 'Serial' and it is connected to USB