Wrist Flick Tracking

// these constants describe the pins. They won't change:
const int groundpin = 18;             // analog input pin 4 -- ground
const int powerpin = 19;              // analog input pin 5 -- voltage
const int xpin = A2;                  // x-axis of the accelerometer
const int ypin = A3;                  // y-axis
const int zpin = A4;                  // z-axis (only on 3-axis models)

// accel range values (change from 0 to whatever you want)
int xLow = 530; // lowest acceptable x accel value
int xHigh = 540; // highest acceptable x accel value

int yLow = 530; // lowest acceptable y accel value
int yHigh = 540; // highest acceptable y accel value

int zLow = 530; // lowest acceptable z accel value
int zHigh = 540; // highest acceptable z accel value

// buzzer values
int buzzer = A9;
int NOTE_C6 = 1047;
int tempo = 100;

// init values
int xVal, yVal, zVal;

void setup() {
  // initialize the serial communications:
  Serial.begin(9600);

  // Provide ground and power by using the analog inputs as normal digital pins.
  // This makes it possible to directly connect the breakout board to the
  // Arduino. If you use the normal 5V and GND pins on the Arduino,
  // you can remove these lines.
  pinMode(groundpin, OUTPUT);
  pinMode(powerpin, OUTPUT);
  digitalWrite(groundpin, LOW);
  digitalWrite(powerpin, HIGH);

// buzzer pinmode setup
  pinMode(buzzer, OUTPUT);
}

void loop() {

  // print the sensor values:
xVal = analogRead(xpin);
  Serial.print(xVal);
  // print a tab between values:
  Serial.print("\t");
yVal = analogRead(xpin);
  Serial.print(yVal);
  // print a tab between values:
  Serial.print("\t");
zVal = analogRead(xpin);
  Serial.print(zVal);
  Serial.println();

if((xVal > xLow && xVal < xHigh) && (yVal > yLow && yVal < yHigh) && (zVal > zLow && zVal < zHigh)){
  tone(buzzer,NOTE_C6);
  delay(tempo);

  // A longer delay at the end pauses the sound before looping again.
  // Here we're delaying four times the "tempo" value:

  noTone(buzzer);
  delay(tempo * 10);
}


  // delay before next reading:
  delay(100);
}