#include <SoftwareSerial.h>;

SoftwareSerial esp8266(0,1); // make RX Arduino line is pin 2, make TX Arduino line is pin 3. // This means that you need to connect the TX line from the esp to the Arduino's pin 2 // and the RX line from the esp to the Arduino's pin 3 void setup() { Serial.begin(9600); esp8266.begin(9600); // your esp's baud rate might be different }

void loop() { if(esp8266.available()) // check if the esp is sending a message { while(esp8266.available()) { // The esp has data so display its output to the serial window char c = esp8266.read(); // read the next character. Serial.write(c); }
}

if(Serial.available()) { // the following delay is required because otherwise the arduino will read the first letter of the command but not the rest // In other words without the delay if you use AT+RST, for example, the Arduino will read the letter A send it, then read the rest and send it // but we want to send everything at the same time. delay(1000);

String command="";

while(Serial.available()) // read the command character by character
{
    // read one character
 command+=(char)Serial.read();
}
esp8266.println(command); // send the read character to the esp8266

} }

#include <SoftwareSerial.h>;

SoftwareSerial esp8266(0,1); // make RX Arduino line is pin 2, make TX Arduino line is pin 3.
                            // This means that you need to connect the TX line from the esp to the Arduino's pin 2
                             // and the RX line from the esp to the Arduino's pin 3
void setup()
{
  Serial.begin(9600);
  esp8266.begin(9600); // your esp's baud rate might be different
}
 
void loop()
{
 if(esp8266.available()) // check if the esp is sending a message 
  {
    while(esp8266.available())
    {
      // The esp has data so display its output to the serial window 
      char c = esp8266.read(); // read the next character.
      Serial.write(c);
    }  
  }
  
   
  if(Serial.available())
  {
    // the following delay is required because otherwise the arduino will read the first letter of the command but not the rest
    // In other words without the delay if you use AT+RST, for example, the Arduino will read the letter A send it, then read the rest and send it
    // but we want to send everything at the same time.
    delay(1000); 
    
    String command="";
    
    while(Serial.available()) // read the command character by character
    {
        // read one character
     command+=(char)Serial.read();
    }
    esp8266.println(command); // send the read character to the esp8266
  }
}