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//arduino code
 
 
const int analogInPin0 = A0;  // Analog input pin that the potentiometer is attached to
 
 
 
void setup() {
  Serial.begin(9600);
}
 
void loop() {
  // print the results to the serial monitor:
  Serial.print(analogRead(analogInPin0));
  Serial.print("\n");
  delay(100);
}
 
 
 
 
 
 
 
//processing arduino 101
 
  import processing.serial.*;
 
  Serial myPort;        // The serial port
 
  float analogPin = 0;
 
  void setup () {
    // set the window size:
    size(400, 300);
 
    // List all the available serial ports
    // if using Processing 2.1 or later, use Serial.printArray()
    println(Serial.list());
 
    // I know that the first port in the serial list on my Mac is always my
    // Arduino, so I open Serial.list()[0].
    // Open whatever port is the one you're using.
    myPort = new Serial(this, Serial.list()[1], 9600);
 
    // don't generate a serialEvent() unless you get a newline character:
    myPort.bufferUntil('\n');
  }
 
  void draw () {
background(255);
 
    
  }
 
  void serialEvent (Serial myPort) {
    // get the ASCII string:
    String inString = myPort.readStringUntil('\n');
 
    if (inString != null) {
      // trim off any whitespace:
      inString = trim(inString);
      // convert to an int and map to the screen height:
      analogPin = float(inString);
      println(analogPin);
      analogPin = map(analogPin, 0, 1023, 0, 255);
    }
  }