const int potPin = A0;
const int rightLED = 5;
const int leftLED = 4;
const int enable = 9;
const int in1 = 8;
const int in2 = 7;
String direction = "";
void setup()
{
pinMode(rightLED, OUTPUT);
pinMode(leftLED, OUTPUT);
pinMode(potPin, INPUT);
attachInterrupt(0, setDirectionClockWise, RISING);
attachInterrupt(1, setDirectionCounterClockWise, RISING);
//Turn off motor
digitalWrite(in1, LOW);
digitalWrite(in2, LOW);
}
void loop()
{
int motorSpeed = analogRead(potPin);
Serial.println(motorSpeed);
motorSpeed = map(motorSpeed, 0, 1023, 0, 255);
Serial.println(motorSpeed);
directionControl();
delay(100);
speedControl(motorSpeed);
delay(100);
}
void setDirectionClockWise(){
direction = "CW";
}
void setDirectionCounterClockWise(){
direction = "CCW";
}
void directionControl(){
if(direction == "CW"){
digitalWrite(in1, HIGH);
digitalWrite(in2, LOW);
digitalWrite(rightLED, HIGH);
digitalWrite(leftLED, LOW);
}
else if(direction == "CCW"){
digitalWrite(in1, LOW);
digitalWrite(in2, HIGH);
digitalWrite(rightLED, LOW);
digitalWrite(leftLED, HIGH);
}
}
void speedControl(int motorSpeed){
analogWrite(enable, motorSpeed);
}
