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const int digitalOutPin = 8;  // Digital output pin (PWM output)
const int analogOutPin = 5;   // Analog output pin

void setup() {
  // Initialize Serial Port With The Default Baud Rate
  syncLV();

  // Place your custom setup code here
  Serial.begin(9600);
  // initialize the digital pin as an output.
  pinMode(digitalOutPin, OUTPUT);  // Set digital output pin as output
  pinMode(analogOutPin, INPUT);    // Set analog output pin as output
}


/*********************************************************************************
 **  loop()
 **
 **  The main loop.  This loop runs continuously on the Arduino.  It 
 **  receives and processes serial commands from LabVIEW.
 **
 **  Input:  None
 **  Output: None
 *********************************************************************************/
void loop() {
  // Check for commands from LabVIEW and process them.
  checkForCommand();
  // Place your custom loop code here (this may slow down communication with LabVIEW
  // Calculate sin(x) as a function of time (x = millis())
  float x = millis() / 1000.0;  // Convert milliseconds to seconds for a smoother sine wave
  float y = sin(x);             // Calculate sine wave value

  // Map y to the PWM range (0-255 for 8-bit PWM)
  int sinValue = map(y, -1.0, 1.0, 0, 255);

  // Output sinValue to digitalOutPin
  analogWrite(digitalOutPin, sinValue);  // Output digital PWM signal

  // Output sinValue to analogOutPin (for visualization in the serial plotter)
  analogWrite(analogOutPin, sinValue);  // Output analog signal (if needed)

  // Print sinValue to serial monitor for debugging
  Serial.println(sinValue);

  // Delay (adjust as necessary based on your signal frequency)
  delay(100);  // Example delay for a 100 Hz signal (10 ms period)
}
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