Object Lab 5 Motors

motorDC

  const int switchPin = 2;    // switch input
  const int motor1Pin = 3;    // H-bridge leg 1 (pin 2, 1A)
  const int motor2Pin = 4;    // H-bridge leg 2 (pin 7, 2A)
  const int enablePin = 9;    // H-bridge enable pin
  const int potPin = 0;       //potentiometer input

void setup() {
 // put your setup code here, to run once:
 // set the switch as an input:
  pinMode(switchPin, INPUT);
 // set all the other pins you're using as outputs:
  pinMode(motor1Pin, OUTPUT);
  pinMode(motor2Pin, OUTPUT);
  pinMode(enablePin, OUTPUT);
 // set enablePin high so that motor can turn on:
 digitalWrite(enablePin, HIGH);
 Serial.begin(9600);
}

void loop() {
  int potVal = analogRead(potPin);
  Serial.println(potVal);
  // put your main code here, to run repeatedly:
  // if the switch is high, motor will turn on one direction
  if(digitalRead(switchPin) == HIGH){
     analogWrite(motor2Pin, potVal);
     digitalWrite(motor1Pin, LOW);
  }

  // else (which means the switch is low), motor will turn in the other direction
  else{
      analogWrite(motor1Pin, potVal);
      digitalWrite(motor2Pin, LOW);
  }

}

stepper

#include <Stepper.h>

const int stepsPerRevolution = 514;  // change this to fit the number of steps per revolution
// for your motor

// initialize the stepper library on pins 8 through 11:
Stepper myStepper(stepsPerRevolution, 8, 9, 10, 11);

void setup() {
  // set the speed at 60 rpm:
  myStepper.setSpeed(60);
  // initialize the serial port:
  Serial.begin(9600);
}

void loop() {
  // step one revolution  in one direction:
  Serial.println("clockwise");
  myStepper.step(stepsPerRevolution);
  delay(500);

  // step one revolution in the other direction:
  Serial.println("counterclockwise");
  myStepper.step(-stepsPerRevolution);
  delay(500);
}