float water;
int waterpin = 5;

void setup()
{
  Serial.begin(9600);
  analogReference(INTERNAL);
  
}
void loop()
{
  water = analogRead(waterpin);
  Serial.println(water);
  delay(1000);
  if(water < 100.00)
  Serial.println("water level OK");
  else{
    Serial.println("no water");
  }
}