const int soilPin = A0;
const int pumpLED = 8;

int soilValue = 0;
int moisture = 0;

void setup() {
  Serial.begin(9600);
  pinMode(pumpLED, OUTPUT);

  Serial.println("SMART FARM SYSTEM");
}

void loop() {
  soilValue = analogRead(soilPin);

  moisture = map(soilValue, 0, 1023, 0, 100);

  Serial.print("Soil moisture: ");
  Serial.print(moisture);
  Serial.println("%");

  if (moisture < 35) {
    digitalWrite(pumpLED, HIGH);
    Serial.println("Soil is DRY - PUMP ON");
  } else {
    digitalWrite(pumpLED, LOW);
    Serial.println("Soil is WET - PUMP OFF");
  }

  Serial.println("--------------------");
  delay(1000);
}