 I2CSoilMoistureSensor sensor(0x20);
 
 void setup() {
-  Wire.begin();
+  Wire.begins();
   Serial.begin(9600);
-  
+
   sensor.begin(); // reset sensor
   delay(1000); // give some time to boot up
   Serial.print("I2C Soil Moisture Sensor Address: ");

      if (address<16)
        Serial.print("0");
      Serial.println(address,HEX);
    }    
  }
  if (nDevices == 0)
    Serial.println("No I2C devices found\n");

  Serial.print("Change address to 0x21 ...");
  if (sensor.setAddress(0x21,true)) // set Sensor Address to 0x21 and reset
    Serial.println("... DONE");
  else
    Serial.println("... ERROR");
  Serial.println();
}

/*loop scans I2C bus and displays foud addresses*/
void loop() {
  byte error, address;
  int nDevices;
