Init commit with many years of arduino sketches and projects. I dont know if the esp8266 includes much, but there are also libraries. I hope they dont have crazy automatic versioning through the Arduino IDE.

Projects/Temp Main/TEMP01/TEMP01.ino

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+/*
+ * created by Rui Santos, http://randomnerdtutorials.wordpress.com
+ * Control DC motor with Smartphone via bluetooth
+ * 2013
+ */
+int motorPin1 = 3; // pin 2 on L293D IC
+int motorPin2 = 4; // pin 7 on L293D IC
+int enablePin = 5; // pin 1 on L293D IC
+int state;
+int flag=0;        //makes sure that the serial only prints once the state
+ 
+void setup() {
+    // sets the pins as outputs:
+    pinMode(motorPin1, OUTPUT);
+    pinMode(motorPin2, OUTPUT);
+    pinMode(enablePin, OUTPUT);
+    // sets enablePin high so that motor can turn on:
+    digitalWrite(enablePin, HIGH);
+    // initialize serial communication at 9600 bits per second:
+    Serial.begin(9600);
+}
+ 
+void loop() {
+    //if some date is sent, reads it and saves in state
+    if(Serial.available() > 0){     
+      state = Serial.read();   
+      flag=0;
+    }   
+    // if the state is '0' the DC motor will turn off
+    if (state == '0') {
+        digitalWrite(motorPin1, LOW); // set pin 2 on L293D low
+        digitalWrite(motorPin2, LOW); // set pin 7 on L293D low
+        if(flag == 0){
+          Serial.println("Motor: off");
+          flag=1;
+        }
+    }
+    // if the state is '1' the motor will turn right
+    else if (state == '1') {
+        digitalWrite(motorPin1, LOW); // set pin 2 on L293D low
+        digitalWrite(motorPin2, HIGH); // set pin 7 on L293D high
+        if(flag == 0){
+          Serial.println("Motor: right");
+          flag=1;
+        }
+    }
+    // if the state is '2' the motor will turn left
+    else if (state == '2') {
+        digitalWrite(motorPin1, HIGH); // set pin 2 on L293D high
+        digitalWrite(motorPin2, LOW); // set pin 7 on L293D low
+        if(flag == 0){
+          Serial.println("Motor: left");
+          flag=1;
+        }
+    }
+}