Materials:
Arduino Lilypad
3-4 Alligator clips
1 Pressure sensor
1 Resistor
Software:
Processing
Arduino
Webcam
Processing:
import cc.arduino.*;
import org.firmata.*;
import processing.video.*;
import processing.serial.*;
Serial myPort; // Create object from Serial class
int val; // Data received from the serial port
Capture video;
int a = 1024; // width of window
int b = 768; // height of window
int x = 100; // x- position text
int y = 700; // y- position text
int capnum = 0;
int countdowntimer = 10;
int globalframecount = 0;
PImage aj;
PImage bj;
PImage cj;
PImage dj;
color black = color(0);
color white = color(255);
int numPixels;
void setup() {
String portName = Serial.list () [2];
myPort = new Serial (this, portName, 9600);
print(Serial.list ());
frameRate (25);
size(1024, 768); // Change size to 320 x 240 if too slow at 640 x 480
strokeWeight(5);
// This the default video input, see the GettingStartedCapture
// example if it creates an error
video = new Capture(this, width, height, 30);
// Start capturing the images from the camera
video.start();
numPixels = video.width * video.height;
noCursor();
smooth();
}
void draw() {
if ( myPort.available() > 0) {
val = myPort.read();
}
if (val>0) {
globalframecount = 1;
}
println(val);
if (video.available()) {
video.read();
video.loadPixels();
int threshold = 127;
float pixelBrightness;
loadPixels();
for (int i = 0; i<numPixels; i++) {
pixelBrightness = brightness(video.pixels[i]);
if (pixelBrightness > threshold) {
pixels [i] = white;
} else {
pixels[i] = black;
}
}
updatePixels();
int testValue = get(mouseX, mouseY);
float testBrightness = brightness(testValue);
if (testBrightness > threshold) { // If the test location is brighter than
fill(black); // the threshold set the fill to black
} else { // Otherwise,
fill(white); // set the fill to white
}
}
PFont fontA = loadFont(“Serif-48.vlw”);
textFont(fontA);
noFill();
switch(val) {
case ‘s’:
globalframecount = 1;
// background(0);
break;
case ‘t’:
//null
break;
default:
//println(“Zulu”); // Prints “Zulu”
break;
}
if (globalframecount == 25) {
countdowntimer = 9;
}
if (globalframecount == 50) {
countdowntimer = 8;
}
if (globalframecount == 75) {
countdowntimer = 7;
}
if (globalframecount == 100) {
countdowntimer = 6;
}
if (globalframecount == 125) {
countdowntimer = 5;
}
if (globalframecount == 150) {
countdowntimer = 4;
}
if (globalframecount == 175) {
countdowntimer = 3;
}
if (globalframecount == 200) {
countdowntimer = 2;
}
if (globalframecount == 225) {
countdowntimer = 1;
}
// image (video, 0, 0);
if ((globalframecount < 250) & (globalframecount > 0)) {
textFont(fontA, 30);
fill(0);
text (“Preview! Get ready for your photo in “+str(countdowntimer), x+2, y);
text (“Preview! Get ready for your photo in “+str(countdowntimer), x, y+2);
text (“Preview! Get ready for your photo in “+str(countdowntimer), x-2, y);
text (“Preview! Get ready for your photo in “+str(countdowntimer), x, y-2);
textFont(fontA, 30);
fill(255);
text (“Preview! Get ready for your photo in “+str(countdowntimer), x, y);
//text (countdowntimer, width-250, y);
globalframecount++;
}
if ((globalframecount >= 250) & (globalframecount < 500)) {
// image (video, 0, 0);
if ((globalframecount > 250) & (globalframecount < 311))
{
textFont(fontA, 100);
fill(0);
text (str(countdowntimer), width/2+2, height/2);
text (str(countdowntimer), width/2, height/2+2);
text (str(countdowntimer), width/2-2, height/2);
text (str(countdowntimer), width/2, height/2-2);
fill(255);
text (str(countdowntimer), width/2, height/2-2);
}
if (globalframecount == 250)
{
countdowntimer = 3;
}
if (globalframecount == 270)
{
countdowntimer = 2;
}
if (globalframecount == 290)
{
countdowntimer = 1;
}
if (globalframecount == 312) {
background(255);
}
if (globalframecount == 313) {
saveFrame(capnum+”.jpeg”);
aj = loadImage(capnum+”.jpeg”);
capnum++;
}
if ((globalframecount > 314) & (globalframecount < 373))
{
textFont(fontA, 100);
fill(0);
text (str(countdowntimer), width/2+2, height/2);
text (str(countdowntimer), width/2, height/2+2);
text (str(countdowntimer), width/2-2, height/2);
text (str(countdowntimer), width/2, height/2-2);
fill(255);
text (str(countdowntimer), width/2, height/2-2);
}
if (globalframecount == 314)
{
countdowntimer = 3;
}
if (globalframecount == 335)
{
countdowntimer = 2;
}
if (globalframecount == 355)
{
countdowntimer = 1;
}
if (globalframecount == 374) {
background(255);
}
if (globalframecount == 375) {
saveFrame(capnum+”.jpeg”);
bj = loadImage(capnum+”.jpeg”);
capnum++;
}
if ((globalframecount > 375) & (globalframecount < 436))
{
textFont(fontA, 100);
fill(0);
text (str(countdowntimer), width/2+2, height/2);
text (str(countdowntimer), width/2, height/2+2);
text (str(countdowntimer), width/2-2, height/2);
text (str(countdowntimer), width/2, height/2-2);
fill(255);
text (str(countdowntimer), width/2, height/2-2);
}
if (globalframecount == 376)
{
countdowntimer = 3;
}
if (globalframecount == 401)
{
countdowntimer = 2;
}
if (globalframecount == 420)
{
countdowntimer = 1;
}
if (globalframecount == 438) {
background(255);
}
if (globalframecount == 439) {
saveFrame(capnum+”.jpeg”);
cj = loadImage(capnum+”.jpeg”);
capnum++;
}
if ((globalframecount > 440) & (globalframecount < 497))
{
textFont(fontA, 100);
fill(0);
text (str(countdowntimer), width/2+2, height/2);
text (str(countdowntimer), width/2, height/2+2);
text (str(countdowntimer), width/2-2, height/2);
text (str(countdowntimer), width/2, height/2-2);
fill(255);
text (str(countdowntimer), width/2, height/2-2);
}
if (globalframecount == 440)
{
countdowntimer = 3;
}
if (globalframecount == 460)
{
countdowntimer = 2;
}
if (globalframecount == 480)
{
countdowntimer = 1;
}
if (globalframecount == 497) {
background(255);
}
if (globalframecount == 498) {
saveFrame(capnum+”.jpeg”);
dj = loadImage(capnum+”.jpeg”);
capnum++;
}
if (globalframecount == 499) {
fill(255);
background(0);
rect(width/11, height/10, (width-240), (height-100));
image(aj, width/8, height/8, width/3, height/3);
image(bj, 4*(width/8), height/8, width/3, height/3);
image(cj, width/8, 4*(height/8), width/3, height/3);
image(dj, 4*(width/8), 4*(height/8), width/3, height/3);
fill(0);
text (“take a picture it will last longer”, x, y);
saveFrame(“multipage”+capnum+”.jpeg”);
globalframecount = -1;
}
//delay(50);
globalframecount++;
}
}
Arduino:
int buttonPin = A2; // the number of the pushbutton pin
int buttonState = 0; // variable for reading the pushbutton status
void setup() {
pinMode(buttonPin, INPUT);
Serial.begin(9600);
}
void loop() {
buttonState = digitalRead(buttonPin);
Serial.write(buttonState);
delay(100);
}
