const int Sensor_pin = A1;

void setup() {
  Serial.begin(9600);
}

void loop() {
  int Sensor_value = analogRead(Sensor_pin);
  float moisture = 100 - (Sensor_value / 1023.0) * 100;
  Serial.print("Moisture: ");
  Serial.print(moisture);
  Serial.println("%");
  delay(1000);
}