Stepper Servo and DC Motor control with L293d motor driver

            CODE 

#include <AFMotor.h>

#include <Servo.h>

// Connect a stepper motor to motor port #2 (M3 and M4)

AF_Stepper stepperMotor(20, 2);

// DC motor on M1

AF_DCMotor motor(1);

// DC hobby servo

Servo servo1;

int motorSpeed = 50;

uint8_t currentDirection = FORWARD;

bool switchDirection = true;

void setup() {

  // turn on servo

  servo1.attach(9);

  // turn on motor #2

  stepperMotor.setSpeed(200); // 10 rpm

  // turn on motor #2

  motor.setSpeed(motorSpeed);

  motor.run(RELEASE);

}

int i = 0;

void loop() {

  if (switchDirection) {

    motor.run(RELEASE);

    switchDirection = false;

    if (currentDirection == FORWARD) {

      currentDirection = BACKWARD;

      motor.run(BACKWARD);

    } else {

      currentDirection = FORWARD;

      motor.run(FORWARD);

    }

  }

  stepperMotor.step(1, currentDirection, MICROSTEP);

  servo1.write(i);

  delay(3);

  i++;

  if (i > 254) {

    i = 0;

    switchDirection = true;

    motor.run(RELEASE);

    delay(1000);

  }

}