lab5_part2_DC

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

void setup() {
  // set the switch as an input:
  pinMode(switchPin, INPUT_PULLUP);

  // set all the other pins you're using as outputs:
  pinMode(motor1Pin, OUTPUT);
  pinMode(motor2Pin, OUTPUT);
  pinMode(enablePin, OUTPUT);
  
  analogWrite(enablePin, 100);
  Serial.begin(9600);
}

void loop() {
Serial.println(digitalRead(switchPin));

int switchVal = digitalRead(switchPin);
  
// if the switch is high, motor will turn on one direction

if(switchVal == HIGH){
  // set leg 1 of the H-bridge high
  digitalWrite(motor1Pin, HIGH);
  // set leg 2 of the H-bridge low 
  digitalWrite(motor2Pin, LOW); 
}

// else (which means the switch is low), motor will turn in the other direction
else if(switchVal == LOW){
  // set leg 1 of the H-bridge high
  digitalWrite(motor1Pin, LOW);
  // set leg 2 of the H-bridge low 
  digitalWrite(motor2Pin, HIGH); 
}

}