YL-69 Moisture sensor (Analog)

// YL-69 Moisture sensor (Analog)
#define SensorPin A0
float sensorValue = 0;
void setup() {
  Serial.begin(9600);
}
void loop() {
  for (int i = 0; i <= 100; i++)
  {
    sensorValue = sensorValue + analogRead(SensorPin);
    delay(1);
  }
  sensorValue = sensorValue / 100.0;
  Serial.println(sensorValue);
  delay(30);
}