Added examples for servo library

examples/SerialServo_using_ParsInt/SerialServo_using_ParsInt.ino

@@ -0,0 +1,17 @@
+#include <Servo.h>
+Servo servo1;
+void setup()
+{
+  Serial.begin(9600);
+  servo1.attach(9);
+  servo1.write(0);
+  Serial.println("Enter angle between 0 to 180");
+}
+void loop()
+{
+  if(Serial.available()>0)
+  {
+    int angle=Serial.parseInt();
+    servo1.write(angle);
+  }
+}

examples/SerialServo_using_StrToInt/SerialServo_using_StrToInt.ino

@@ -0,0 +1,28 @@
+#include <Servo.h>
+Servo servo1;
+String input ="";
+void setup()
+{
+  Serial.begin(9600);
+  servo1.attach(9);
+  servo1.write(0);
+  Serial.println("Enter angle between 0 to 180");
+}
+void loop()
+{
+  //servo1.write(0);
+  while(Serial.available()>0)
+  {
+    int inchar = Serial.read();
+    if(isDigit(inchar))
+    {
+      input+=(char)inchar;
+    }
+    if(inchar=='\n'){
+      servo1.write(input.toInt());
+      delay(5000);
+      servo1.write(0);
+      input="";
+    }
+    }
+}

examples/ServoSerial/ServoSerial.ino

@@ -0,0 +1,40 @@
+#include <Servo.h>
+Servo s1;
+int angle =0;
+void setup() {
+  Serial.begin(38400);
+  s1.attach(9);
+  Serial.println("Enter angle from 0 to 180");
+}
+void loop() {
+  static char input[4]; //Declaring a string to store value
+  static uint8_t i=0;
+  char c ; // Declaring a character to store the input
+  int angle =0;
+  s1.write(angle);
+  if (Serial.available ())
+  { 
+    c = Serial.read (); 
+    if ( c != '\r' && i <4 ) // assuming "Carriage Return" is chosen in the Serial monitor as the line ending character
+    {    
+      input[i] = c;
+      i=i+1;
+    }
+    else
+    {
+      input[i] = '\0';
+      i = 0; 
+    }
+    //As serial monitor consider entire number digit vise so stored every digit in string called input
+    int pos =0;
+    angle = atoi(input);//Converting string to an interger value
+    Serial.println("angle is:");
+    Serial.println(angle);
+    for (pos = 0; pos <= angle; pos += 1) // goes from 0 degrees to angle given in degrees in steps of 1 degree
+     { 
+      s1.write(pos);                           // tell servo to go to position in variable 'pos'
+      delay(15);                              // waits 15ms for the servo to reach the position
+     }
+     Serial.flush();
+  }
+}