int analogInPin = A1;
int digitalOutPin = 9;
int sensorReading;
float frequency;

void setup() {
  Serial.begin(9600);
  pinMode(digitalOutPin, OUTPUT);

}

void loop() {
  // put your main code here, to run repeatedly:
  sensorReading = analogRead(analogInPin);
Serial.println(sensorReading);

frequency = map(sensorReading, 0, 1000, 100, 1000);
tone(digitalOutPin, frequency);
}