int ledPin = 13;  // LED connected to digital pin 13
int inPin = 7;    // pushbutton connected to digital pin 7
int val = 0;      // variable to store the read value
int pot = A0;
int potval = 0;
int dwell = 0;
int soakvalue = A1;
int soakdwell = 0;
int impulse = 12;
int impulseval = 0;
int soak = 11;
int soakval = 0;
char buffer[40];

void setup() {
  pinMode(ledPin, OUTPUT);  // sets the digital pin 13 as output
  pinMode(inPin, INPUT);    // sets the digital pin 7 as input
  pinMode(pot, INPUT);
  pinMode(soakvalue, INPUT);
  pinMode(impulse, OUTPUT);
  pinMode(soak, OUTPUT);
  Serial.begin(9600);
}

void loop() 
{
  potval = analogRead(pot);  //sensor value of the dwell pot
  dwell = map(potval, 0, 1023, 0, 7000); // scales the scales the pot 0-5 seconds.
  soakval = analogRead(soakvalue); //soak dwell pot raw value
  soakdwell = map(soakval, 0, 1023, 0, 5000);
  val = digitalRead(inPin);
  sprintf(buffer, "Dwell = %d, Soak = %d", dwell, soakdwell);
  
  Serial.println(buffer);
 
  if (val == HIGH)
  { 
    digitalWrite(ledPin, HIGH);
    delay(3000);
    digitalWrite(impulse, HIGH);
    delay(dwell);
    digitalWrite(impulse, LOW);
    digitalWrite(soak, HIGH);
    delay(soakdwell);
    digitalWrite(soak, LOW);
    digitalWrite(ledPin, LOW);}
}