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                    /*
                    AnalogReadSerial
                  
                    Reads an analog input on pin 0, prints the result to the Serial Monitor.
                    Graphical representation is available using Serial Plotter (Tools > Serial Plotter menu).
                    Attach the center pin of a potentiometer to pin A0, and the outside pins to +5V and ground.
                  
                    This example code is in the public domain.
                  
                    https://www.arduino.cc/en/Tutorial/BuiltInExamples/AnalogReadSerial
                  */
                  
                  // the setup routine runs once when you press reset:
                  void setup() {
                    // initialize serial communication at 9600 bits per second:
                    Serial.begin(9600);
                  }
                  
                  // the loop routine runs over and over again forever:
                  void loop() {
                    // read the input on analog pin 0:
                    int sensorValue = analogRead(A0);
                    // print out the value you read:
                    Serial.println(sensorValue);
                    delay(1);  // delay in between reads for stability
                  }