#define Tank1_Top 21
#define Tank1_Bottom 19  
#define Tank2_Top 18   
#define Tank2_Bottom 5
#define General_Motor 2
#define OneHP_Motor 15
void setup() {
  // put your setup code here, to run once:
  Serial.begin(9600);
  pinMode(Tank1_Top, INPUT_PULLUP);
  pinMode(Tank1_Bottom, INPUT_PULLUP);
  pinMode(Tank2_Top, INPUT_PULLUP);
  pinMode(Tank2_Bottom, INPUT_PULLUP);
  pinMode(General_Motor, OUTPUT);                
  pinMode(OneHP_Motor, OUTPUT);

}

void loop() {
  // put your main code here, to run repeatedly:
  int Tank1Top_level = digitalRead(Tank1_Top);
  int Tank1Bottom_level = digitalRead(Tank1_Bottom);
  int Tank2Top_level = digitalRead(Tank2_Top);
  int Tank2Bottom_level = digitalRead(Tank2_Bottom);

  
  if (Tank1Top_level == 0 && Tank1Bottom_level == 0) {
    digitalWrite(General_Motor, LOW);
    digitalWrite(OneHP_Motor, LOW);
    Serial.println("General Motor:OFF");
    Serial.println("OneHP Motor:OFF");
  }

  else if (Tank1Bottom_level == 1 && Tank2Bottom_level == 0){
    digitalWrite(General_Motor, HIGH);
    digitalWrite(OneHP_Motor, LOW );
    Serial.println("General Motor:ON");
    Serial.println("OneHP Motor:OFF");
  }

  else if (Tank1Bottom_level == 1 && Tank2Bottom_level == 1){
    digitalWrite(General_Motor, LOW);
    digitalWrite(OneHP_Motor, HIGH);
    Serial.println("General Motor:OFF");
    Serial.println("OneHP Motor:ON");
  }
  else{
    
    Serial.println("No operation");
  }
  delay(1000);
}