Night Angel – Nadine(Ziyan) Chen – Eric Parren

Processing:

import processing.sound.*;
import processing.serial.*;

boolean firsttrig = true;
Serial serialPort;
SoundFile sound;

int NUM_OF_VALUES_FROM_ARDUINO = 1;  /* CHANGE THIS ACCORDING TO YOUR PROJECT */

/* This array stores values from Arduino */
int arduino_values[] = new int[NUM_OF_VALUES_FROM_ARDUINO];

Sound myMusic;

boolean Servo = false;

int numStars = 100; // number of stars
float[] xPos = new float[numStars]; // x positions of stars
float[] yPos = new float[numStars]; // y positions of stars
float[] sizes = new float[numStars]; // sizes of stars
color[] colors = new color[numStars]; // colors of stars

void setup() {
  background(0);
  size(1500, 1000);
  
  //myMusic = new Music(this, "star.mp3");
  //myMusic.loop();
  printArray(Serial.list());
  // put the name of the serial port your Arduino is connected
  // to in the line below - this should be the same as you're
  // using in the "Port" menu in the Arduino IDE
  serialPort = new Serial(this, "/dev/cu.usbmodem1101", 9600);

  println("Loading mp3...");
  sound = new SoundFile(this, "star.mp3");
  sound.loop();

  for (int i = 0; i < numStars; i++) {
    xPos[i] = random(width); // random x position
    yPos[i] = random(height); // random y position
    sizes[i] = random(5, 40); // random size
    colors[i] = color(random(255), random(255), random(255)); // random color
  }
}

void draw() {
  // receive the values from Arduino
  background(0); // black background
  getSerialData();
  float x = arduino_values[0];
  //if (myMusic.available()) {
  //  myMusic.read();
  //}
  if (x < 300) {
    Servo = true;
    if (!sound.isPlaying()) {
    sound.play();
    }

    // Draw the stars
    for (int i = 0; i < numStars; i++) {
      fill(colors[i]); // set the fill color
      ellipse(xPos[i], yPos[i], sizes[i], sizes[i]); // draw the star

      // Blinking effect
      if (frameCount % 50 == 0) { // change every 50 frames
        colors[i] = color(random(255), random(255), random(255)); // set a new random color
      }
    }
  } else {
    sound.stop();
  }
  //sound(myMusic, 0, 0);
  //  if (i < 35) {  // When 'i' is less than 35...
  //    myMovie.read();
  //  }
  //  else if line(30, i, 80, i);
  //}

  //mousePressed() {
  //    myMovie.stop();
  //}
}

void getSerialData() {
  while (serialPort.available() > 0) {
    String in = serialPort.readStringUntil( 10 );  // 10 = '\n'  Linefeed in ASCII
    if (in != null) {
      print("From Arduino: " + in);
      String[] serialInArray = split(trim(in), ",");
      if (serialInArray.length == NUM_OF_VALUES_FROM_ARDUINO) {
        for (int i=0; i<serialInArray.length; i++) {
          arduino_values[i] = int(serialInArray[i]);
        }
      }
    }
  }
}

Circuit: 

D. CONCLUSIONS:

The goal of our project is to turn off the light, turn on the neoPixel, open the flower, while playing a music and drawing colorful stars, making the dark environment colorful, peaceful, and beautiful; turn on the light to turn off the neoPixel, close the lotus, while stopping the music and quitting drawing stars. Our project mostly achieved the stated goals, there is a small problem with the servo because sometimes, the servo was crazy: instead of spinning once, it rotated continuously, making the flower open and close constantly. After the IMA SHOW, LA Zhiyang told me that it was because we had not connected the servo to another power supply. The audience first interacted with our project by covering the light sensor by hands on the final presentation; in IMA SHOW, audiences can turn on or turn off the flashlight to make the lotus open and close. In alignment with the definition of interaction, our project provides audience with the hearing, visionary, and behavioral interaction, making them able interact with the project. If we have more time, we can combine the box of circuit and the light sensor with the big box that contains flower and connect the servo to another separate 5V power supply. If possible, we can add another servo to make the lotus spine when turning off the light in the room.

During the making process, we also came across some adversities and failures, but we learned a lot from them. At the beginning, we could not figure out the mechanism of our project, we first tried wood pedals, but they were not good and stuck; we then 3D printed dimensional pedals, which were pretty, but lack one component on the bottom circle so that it was impossible to connected them to the middle ring. Instead of reprinting them again, we use hot glue gun to add glue to make up the missing half ring; also, as mentioned above, we changed the hanging position: hold the flower from the top rather than from the bottom. I learned the ability of being flexible, to be creative, and to be patient. We made several mistakes, but we never gave up, kept going and try our best to find the solutions. Finally, we made it! Also, in the final week, everyone is extremely busy. Try to manage the time appropriately, setting the priorities, and writing all things on the Google calendar. By doing so, we would not miss any due.