// Based on examples from Arduino’s Graphing Tutorial and OscP5 documentation

    import processing.serial.*;

    Serial myPort; // The serial port

    int xPos = 1; // horizontal position of the graph

    float oldHeartrateHeight = 0; // for storing the previous reading

    void setup () {

    // set the window size:

    size(600, 400);

    frameRate(25);

    // List available serial ports.

    println(Serial.list());

    // Setup which serial port to use.

    // This line might change for different computers.

    myPort = new Serial(this, Serial.list()[1], 9600);

    // set inital background:

    background(0);

    }

    void draw () {

    }

    void serialEvent (Serial myPort) {

    // read the string from the serial port.

    String inString = myPort.readStringUntil(‘n’);

    if (inString != null) {

    // trim off any whitespace:

    inString = trim(inString);

    // convert to an int

    println(inString);

    int currentHeartrate = int(inString);

    // draw the Heartrate BPM Graph.

    float heartrateHeight = map(currentHeartrate, 0, 1023, 0, height);

    stroke(0,255,0);

    line(xPos – 1, height – oldHeartrateHeight, xPos, height – heartrateHeight);

    oldHeartrateHeight = heartrateHeight;

    // at the edge of the screen, go back to the beginning:

    if (xPos >= width) {

    xPos = 0;

    background(0);

    } else {

    // increment the horizontal position:

    xPos++;

   

    }

    }

    }

 

I haven’t exactly figured out the code for the servos to raise the exact-o blades yet, but I need to figure out what the signal is for my resting heart rate and do an “if/then” thing.