PhysicalPixel

Bu örnek örnek, bilgisayardan veri almak için Arduino veya Genuino kartını kullanır. Kart, 'H' karakterini aldığında bir LED'i açar ve 'L' karakterini aldığında LED'i kapatır.

Veriler Arduino Software (IDE) seri monitöründen veya İşleme (aşağıdaki koda bakın), Flash (seri-net proxy üzerinden), PD veya Max / MSP gibi başka bir programdan gönderilebilir.

Gerekli Donanım

Arduino veya Genuino Kurulu
LED (isteğe bağlı)
220 ohm direnç (isteğe bağlı)

Yazılım Gerekli

İşleme veya
Maks / MSP sürüm 5

Devre

Birçok Arduino ve Genuino kartında pin 13'e bağlı dahili bir LED bulunur; kartınızda yerleşik bir LED yoksa, pim 13'e harici bir LED takın. Uzun bacak veya anot, 220 dirençle pime 13'e gider. Kısa bacak veya katot yere düşer.

büyütmek için resme tıklayın

Şematik

büyütmek için resme tıklayın

Kod

/*
Physical Pixel

An example of using the Arduino board to receive data from the computer. In
this case, the Arduino boards turns on an LED when it receives the character
'H', and turns off the LED when it receives the character 'L'.

The data can be sent from the Arduino Serial Monitor, or another program like
Processing (see code below), Flash (via a serial-net proxy), PD, or Max/MSP.

The circuit:
- LED connected from digital pin 13 to ground

created 2006
by David A. Mellis
modified 30 Aug 2011
by Tom Igoe and Scott Fitzgerald

This example code is in the public domain.

http:egitim.aspx?e=PhysicalPixel
*/

const int ledPin = 13; // the pin that the LED is attached to
int incomingByte; // a variable to read incoming serial data into

void setup() {
// initialize serial communication:
Serial.begin(9600);
// initialize the LED pin as an output:
pinMode(ledPin, OUTPUT);
}

void loop() {
// see if there's incoming serial data:
if (Serial.available() > 0) {
// read the oldest byte in the serial buffer:
incomingByte = Serial.read();
// if it's a capital H (ASCII 72), turn on the LED:
if (incomingByte == 'H') {
digitalWrite(ledPin, HIGH);
}
// if it's an L (ASCII 76) turn off the LED:
if (incomingByte == 'L') {
digitalWrite(ledPin, LOW);
}
}
}

/* Processing code for this example

// Mouse over serial

// Demonstrates how to send data to the Arduino I/O board, in order to turn ON
// a light if the mouse is over a square and turn it off if the mouse is not.

// created 2003-4
// based on examples by Casey Reas and Hernando Barragan
// modified 30 Aug 2011
// by Tom Igoe
// This example code is in the public domain.

import processing.serial.*;

float boxX;
float boxY;
int boxSize = 20;
boolean mouseOverBox = false;

Serial port;

void setup() {
size(200, 200);
boxX = width / 2.0;
boxY = height / 2.0;
rectMode(RADIUS);

// List all the available serial ports in the output pane.
// You will need to choose the port that the Arduino board is connected to
// from this list. The first port in the list is port #0 and the third port
// in the list is port #2.
// if using Processing 2.1 or later, use Serial.printArray()
println(Serial.list());

// Open the port that the Arduino board is connected to (in this case #0)
// Make sure to open the port at the same speed Arduino is using (9600bps)
port = new Serial(this, Serial.list()[0], 9600);
}

void draw() {
background(0);

// Test if the cursor is over the box
if (mouseX > boxX - boxSize && mouseX < boxX + boxSize &&
mouseY > boxY - boxSize && mouseY < boxY + boxSize) {
mouseOverBox = true;
// draw a line around the box and change its color:
stroke(255);
fill(153);
// send an 'H' to indicate mouse is over square:
port.write('H');
}
else {
// return the box to its inactive state:
stroke(153);
fill(153);
// send an 'L' to turn the LED off:
port.write('L');
mouseOverBox = false;
}

// Draw the box
rect(boxX, boxY, boxSize, boxSize);
}

*/

/* Max/MSP version 5 patch to run with this example:

----------begin_max5_patcher----------
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-----------end_max5_patcher-----------

*/

[Kodu Al]

İşleme Kodu

İşleme kodunu yukarıdaki kod örneğinden kopyalayın. Fareyi orta karenin üzerine getirdiğinizde, pim 13 üzerindeki LED açılıp kapanmalıdır. İşleme uygulaması şöyle görünür:

LED'i açmak ve kapatmak için fareyi karenin üzerine getirin.

Maksimum yama

Maks / MSP yaması aşağıdaki resme benzer. Yukarıdaki kod örneğinden kopyalayın ve yeni bir yama penceresine yapıştırın.

Eğitimler