arduino servo moter 1

 #include <Servo.h>

Servo myservo;  // create servo object to control a servo

// twelve servo objects can be created on most boards

int pos = 0;    // variable to store the servo position

void setup() {

  myservo.attach(9);  // attaches the servo on pin 9 to the servo object

}

void loop() {

  for (pos = 0; pos <= 180; pos += 1) { // goes from 0 degrees to 180 degrees

    // 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 (pos = 180; pos >= 0; pos -= 1) { // goes from 180 degrees to 0 degrees

    myservo.write(pos);              // tell servo to go to position in variable 'pos'

    delay(15);                       // waits 15ms for the servo to reach the position

  }

}

8 led pattern with for loop

 int d = 50;           // The higher the number, the slower the timing.

void setup() {

  // use a for loop to initialize each pin as an output:

  for (int Pin = 0; Pin < 8;Pin++) {

    pinMode(Pin, OUTPUT);

  }

}

void loop() {

  // loop from the lowest pin to the highest:

  for (int Pin = 0; Pin < 8; Pin++) {

    // turn the pin on:

    digitalWrite(Pin, HIGH);

    delay(d);

    // turn the pin off:

    digitalWrite(Pin, LOW);

  }

  // loop from the highest pin to the lowest:

  for (int Pin = 7; Pin >= 0; Pin--) {

    // turn the pin on:

    digitalWrite(Pin, HIGH);

    delay(d);

    // turn the pin off:

    digitalWrite(Pin, LOW);

  }

}

8 led pattern arduino program

#8 led pattern

 int d=50;

void setup()

{

  pinMode(0, OUTPUT);

  pinMode(1, OUTPUT);

  pinMode(2, OUTPUT);

  pinMode(3, OUTPUT);

  pinMode(4, OUTPUT);

  pinMode(5, OUTPUT);

  pinMode(6, OUTPUT);

  pinMode(7, OUTPUT);

}

void loop()

{

  digitalWrite(0, HIGH);

  digitalWrite(1, LOW);

  digitalWrite(2, LOW);

  digitalWrite(3,LOW);

  digitalWrite(4,LOW);

  digitalWrite(5, LOW);

  digitalWrite(6,LOW);

  digitalWrite(7,LOW);

  delay(d); 

  digitalWrite(0, LOW);

  digitalWrite(1,HIGH);

  digitalWrite(2, LOW);

  digitalWrite(3,LOW);

  digitalWrite(4,LOW);

  digitalWrite(5, LOW);

  digitalWrite(6,LOW);

  digitalWrite(7,LOW);

  delay(d);

   digitalWrite(0, LOW);

  digitalWrite(1, LOW);

  digitalWrite(2,HIGH);

  digitalWrite(3,LOW);

  digitalWrite(4,LOW);

  digitalWrite(5, LOW);

  digitalWrite(6,LOW);

  digitalWrite(7,LOW);

  delay(d);

   digitalWrite(0,LOW);

  digitalWrite(1, LOW);

  digitalWrite(2, LOW);

  digitalWrite(3,HIGH);

  digitalWrite(4,LOW);

  digitalWrite(5, LOW);

  digitalWrite(6,LOW);

  digitalWrite(7,LOW);

  delay(d);

   digitalWrite(0,LOW);

  digitalWrite(1, LOW);

  digitalWrite(2, LOW);

  digitalWrite(3,LOW);

  digitalWrite(4,HIGH);

  digitalWrite(5, LOW);

  digitalWrite(6,LOW);

  digitalWrite(7,LOW);

  delay(d);

   digitalWrite(0, LOW);

  digitalWrite(1, LOW);

  digitalWrite(2, LOW);

  digitalWrite(3,LOW);

  digitalWrite(4,LOW);

  digitalWrite(5,HIGH);

  digitalWrite(6,LOW);

  digitalWrite(7,LOW);

  delay(d);

   digitalWrite(0, LOW);

  digitalWrite(1, LOW);

  digitalWrite(2, LOW);

  digitalWrite(3,LOW);

  digitalWrite(4,LOW);

  digitalWrite(5, LOW);

  digitalWrite(6,HIGH);

  digitalWrite(7,LOW);

  delay(d);

   digitalWrite(0,LOW);

  digitalWrite(1, LOW);

  digitalWrite(2, LOW);

  digitalWrite(3,LOW);

  digitalWrite(4,LOW);

  digitalWrite(5, LOW);

  digitalWrite(6,LOW);

  digitalWrite(7,HIGH);

  delay(d);

  digitalWrite(0,LOW);

  digitalWrite(1, LOW);

  digitalWrite(2, LOW);

  digitalWrite(3,LOW);

  digitalWrite(4,LOW);

  digitalWrite(5, LOW);

  digitalWrite(6,LOW);

  digitalWrite(7,HIGH);

  delay(d);

  digitalWrite(0,LOW);

  digitalWrite(1, LOW);

  digitalWrite(2, LOW);

  digitalWrite(3,LOW);

  digitalWrite(4,LOW);

  digitalWrite(5, LOW);

  digitalWrite(6,HIGH);

  digitalWrite(7,LOW);

  delay(d);

  digitalWrite(0,LOW);

  digitalWrite(1, LOW);

  digitalWrite(2, LOW);

  digitalWrite(3,LOW);

  digitalWrite(4,LOW);

  digitalWrite(5, HIGH);

  digitalWrite(6,LOW);

  digitalWrite(7,LOW);

  delay(d);

  digitalWrite(0,LOW);

  digitalWrite(1, LOW);

  digitalWrite(2, LOW);

  digitalWrite(3,LOW);

  digitalWrite(4,HIGH);

  digitalWrite(5, LOW);

  digitalWrite(6,LOW);

  digitalWrite(7,LOW);

  delay(d);

  digitalWrite(0,LOW);

  digitalWrite(1, LOW);

  digitalWrite(2, LOW);

  digitalWrite(3,HIGH);

  digitalWrite(4,LOW);

  digitalWrite(5, LOW);

  digitalWrite(6,LOW);

  digitalWrite(7,LOW);

  delay(d);

  digitalWrite(0,LOW);

  digitalWrite(1, LOW);

  digitalWrite(2,HIGH);

  digitalWrite(3,LOW);

  digitalWrite(4,LOW);

  digitalWrite(5, LOW);

  digitalWrite(6,LOW);

  digitalWrite(7,LOW);

  delay(d);

  digitalWrite(0,LOW);

  digitalWrite(1,HIGH);

  digitalWrite(2, LOW);

  digitalWrite(3,LOW);

  digitalWrite(4,LOW);

  digitalWrite(5, LOW);

  digitalWrite(6,LOW);

  digitalWrite(7,LOW);

  delay(d);

  digitalWrite(0,HIGH);

  digitalWrite(1, LOW);

  digitalWrite(2, LOW);

  digitalWrite(3,LOW);

  digitalWrite(4,LOW);

  digitalWrite(5, LOW);

  digitalWrite(6,LOW);

  digitalWrite(7,LOW);

  delay(d);

}