const int AirValue = 564;         // Analog Value when Sensor is exposed to dry air
const int WaterValue = 298;       // Analog Value when Sensor is kept in water
const int Pin1 = A0;         // Analog pin where the sensor is connected
const int Pin2 = A1;

// Variables to hold sensor values
int soilMoistureValue = 0;
int soilmoisturepercent = 0;

int IN1 = 2;                 // Pin where the relay is connected
int IN2 = 3;

void setup()
{
  Serial.begin(9600);
  pinMode(IN1, OUTPUT);
  pinMode(IN2, OUTPUT);
  
  pinMode(Pin1, INPUT);
  pinMode(Pin2, INPUT);
  
  digitalWrite(IN1, LOW);
  digitalWrite(IN2, LOW);
  delay(500);
}
void loop()
{
  Serial.print("plant 1_");
  soilMoistureValue = analogRead(Pin1);      // Read the value from the soil moisture sensor
  Serial.println(soilMoistureValue);              // Print the sensor value to the serial monitor
  soilmoisturepercent = map(soilMoistureValue, AirValue, WaterValue, 0, 100);     // Map the sensor value to a soil moisture percentage
  soilmoisturepercent = constrain(soilmoisturepercent, 0, 100);       // Ensure soilmoisturepercent is between 0 and 100
  Serial.println(soilmoisturepercent);
 if (soilmoisturepercent < 10){      // Control the relay based on the soil moisture
    digitalWrite(IN1, HIGH);
    delay(10000);
    digitalWrite(IN1, LOW);
  }
  else{
    digitalWrite(IN1, LOW);
  }            
		;delay(10000);

  Serial.print("plant 2_");
  soilMoistureValue = analogRead(Pin2);      // Read the value from the soil moisture sensor
  Serial.println(soilMoistureValue);              // Print the sensor value to the serial monitor
  soilmoisturepercent = map(soilMoistureValue, AirValue, WaterValue, 0, 100);     // Map the sensor value to a soil moisture percentage
  soilmoisturepercent = constrain(soilmoisturepercent, 0, 100);       // Ensure soilmoisturepercent is between 0 and 100
  Serial.println(soilmoisturepercent);

 if (soilmoisturepercent < 10){      // Control the relay based on the soil moisture
    digitalWrite(IN2, HIGH);
  }
  else{
    digitalWrite(IN2, LOW);
  }            
	delay(10000);
  }