// defines pins
#define DIR 3
#define PUL 4
#define SW_L 5
#define SW_R 6
#define Relay 11

int customDelay, customDelayMapped;
int rt = 1000;

void setup() {
  // Sets the two pins as Outputs
  pinMode(PUL, OUTPUT);
  pinMode(DIR, OUTPUT);
  pinMode(Relay, OUTPUT);
  digitalWrite(Relay, LOW);
}
void loop() {
  speedControl();
  if(digitalRead(SW_L) == 0)
  {
  digitalWrite(Relay, HIGH);
  delayMicroseconds(rt);
  digitalWrite(DIR, HIGH);
  digitalWrite(PUL, HIGH);
  delayMicroseconds(customDelayMapped);
  digitalWrite(PUL, LOW);
  delayMicroseconds(customDelayMapped);
  }
  if(digitalRead(SW_L) != 0)
  {
    delayMicroseconds(rt);
  digitalWrite(Relay, LOW);
  }

  if(digitalRead(SW_R) == 0)
  {
  digitalWrite(Relay, HIGH);
  delayMicroseconds(rt);
  digitalWrite(DIR, LOW);
  digitalWrite(PUL, HIGH);
  delayMicroseconds(customDelayMapped);
  digitalWrite(PUL, LOW);
  delayMicroseconds(customDelayMapped);
  }
  if(digitalRead(SW_R) != 0)
  {
    delayMicroseconds(rt);
  digitalWrite(Relay, LOW);
  }
}
// Custom function for reading the potentiometer and mapping its value from 300 to 3000, suitable for the custom delay value in microseconds
void speedControl() {
  customDelay = analogRead(A0); // Read the potentiometer value
  customDelayMapped = map(customDelay, 0, 1023, 3000, 0); // Convert the analog input from 0 to 1024, to 300 to 3000
}