Added an example 'wiper'

Author: Inv3nt0r1

examples/Wiper/Wiper.ino

@@ -0,0 +1,39 @@
+/*
+ Using a servo as a car Wiper, activated by switch.
+
+ modified on 19 March 2020
+ by Durgesh Pachghare
+*/
+
+#include <Servo.h>
+
+Servo myservo;  // create servo object to control a servo
+
+int button_pin = 2;  // digital pin used to connect the button input
+int val;    // variable to read the value from the analog pin
+int startpos = 10;      //angle from which the servo wiper starts
+int endpos = 145;       //angle till the servo wiper rotates
+
+void setup() 
+{
+  myservo.attach(9);  // attaches the servo on pin 9 to the servo object
+  pinMode(button_pin,INPUT);    //declares the pin as digital input
+  myservo.write(startpos);      // Initialize the servo wiper to start angle
+}
+
+void loop() 
+{
+    if(digitalRead(button_pin))     //Start the servo if the button is pressed and complete the entire rotation regardless of button state later
+    {
+        for (int pos = startpos; pos <= endpos; pos += 1)  // goes from starting angle to end angle in steps of 1 degree
+        {
+            myservo.write(pos);              // tell servo to go to position in variable 'pos'
+            delay(15);                       // waits 15ms for the servo to reach the position
+        }
+        for (int pos = endpos; pos >= startpos; pos -= 1) // goes from end angle to start angle again
+        { 
+            myservo.write(pos);              // tell servo to go to position in variable 'pos'
+            delay(15);                       // waits 15ms for the servo to reach the position
+        }
+    }
+}