Example with touch sensor added

examples/touch_to_open/README.md

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+# touch_to_open
+
+touch the touch senso to make the servo move 90 degree
+
+## Hardware Required
+
+* Arduino Board
+* Servo Motor
+* Hook-up wires
+* touch sensor
+
+## Circuit
+
+Servo motors have three wires: power, ground, and signal. The power wire is typically red, and should be connected to the 5V pin on the Arduino board. The ground wire is typically black or brown and should be connected to a ground pin on the board. The signal pin is typically yellow, orange or white and should be connected to pin 9 on the board.
+
+![](images/Touch_to_open_BB.JPG)
+
+(Images developed using Fritzing. For more circuit examples, see the [Fritzing project page](http://fritzing.org/projects/))
+
+## Schematic
+
+![](images/Touch_to_open_schem.JPG)
+
+
+
+

examples/touch_to_open/touch_to_open.ino

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+#include <Servo.h>         //including the servo library
+
+Servo touch_servo;       // initialize a sevo object to use it
+int sensor_pin =2;      // defining a pin for the touch sensor  
+
+void setup() {
+  pinMode(2, INPUT);
+  touch_servo.attach(9);       // defining the pin of the servo motor(pin9)
+  Serial.begin(9600);         // defining the Baud Rate to use the serial Monitor
+}
+
+void loop() {
+
+  if (digitalRead(2) == HIGH)      // checking if the sensor is touched 
+  {
+  touch_servo.write(90);         // moving the servo 90 degree 
+  Serial.println("Sensor is touched | servo is opened");
+  }
+
+
+}