LCD Funcionando o Arduino

baseado no LiquidCrystal Library com display WC1602d2 recebido de Luciano Lulio e compatível com o padrão HD44780. Diagrama abaixo



















Exemplos
http://arduino.cc/en/Tutorial/LiquidCrystalDisplay

Pinagem retirado do datasheet de outro semelhante, na SparkFun
http://www.sparkfun.com/datasheets/LCD/GDM1602K.pdf

Controle de Servo Motor

Usando Arduino-0017 e Processing e servo motor de parabólica

Internface gráfica a partir do exemplo da biblioteca G4P
http://www.lagers.org.uk/g4p/distribution/web/index.html

Util
Openprocessing
http://openprocessing.org/visuals/?visualID=2362

Código Fonte
-----------------------------------------8<----------------------------

import guicomponents.*;
import processing.serial.*;

Serial myPort;  // Create object from Serial class

// G4P components for main window
GPanel pnlControls;
GLabel lblSomeString, lblAlpha, lblAction, lblCursor;
GTextField txfSomeText;
GCombo cboColor, cboFont;
GHorzSlider sdrAlpha;
GActivityBar acyBar;
GTimer tmrTimer;
GButton btnTimer;
GCheckbox cbxBusy, cbxMouseOver;
GOptionGroup opgMouseOver;
GOption optHand, optXhair, optMove, optText,optWait;

// G4P components for second window
GButton btnControl; // Used to create controller window
GWindow windControl;
GHorzSlider sdrHorzPos;
GVertSlider sdrVertPos;

PImage imgBgImage;

int count = 0;

int pX = 10;
int pY = 30;
int pHeight = 280;
int pWidth = 600;

void setup(){
  //size(200, 200);
  // I know that the first port in the serial list on my mac
  // is always my  FTDI adaptor, so I open Serial.list()[0].
  // On Windows machines, this generally opens COM1.
  // Open whatever port is the one you're using.
  //
  String portName = Serial.list()[1];
  //  println(Serial.list());
  myPort = new Serial(this, portName, 9600);

  size(700,340);
  // Load the background image
  imgBgImage = loadImage("bground.jpg");
  // Set the colour scheme
  G4P.setColorScheme(this, GCScheme.GREEN_SCHEME);
  G4P.messagesEnabled(false);

  // Create 2D GUI
  createPanelAndStatusBar();
  createTransparencySlider();


  // Enable mouse over image changes
  G4P.setMouseOverEnabled(true);

  // Create a second control window
  //  btnControl = new GButton(this, "Open Panel Position Window", 10, pHeight - 100,200,30);
  pnlControls.add(btnControl);
}



public void createPanelAndStatusBar(){
  pnlControls = new GPanel(this,"Panel Tab Text (drag to move : click to open/close)",pX,pY,pWidth,pHeight);
  pnlControls.setOpaque(true);
  pnlControls.setCollapsed(false);
  lblAction = new GLabel(this, "USER ACTION FEEDBACK DISPLAYED HERE!", 0, pHeight-20, pWidth, 20);
  lblAction.setBorder(1);
  lblAction.setOpaque(true);
  lblAction.setColorScheme(GCScheme.RED_SCHEME);
  pnlControls.add(lblAction);  
}


public void createTransparencySlider(){
  lblAlpha = new GLabel(this,"Adjustar rotação (0-180º) ->",0,pHeight-40,150);
  lblAlpha.setFont("Arial", 14);
  sdrAlpha = new GHorzSlider(this,pWidth-400,pHeight-40,299,19);
  sdrAlpha.setBorder(2);
  //  sdrAlpha.setLimits(255, 128, 255);
  sdrAlpha.setLimits(179, 0, 179);
  pnlControls.add(lblAlpha);
  pnlControls.add(sdrAlpha);  
}


public void handleSliderEvents(GSlider slider){
  if(sdrAlpha == slider){
    //pnlControls.setAlpha(sdrAlpha.getValue());
    //    lblAction.setText("Panel transparency is " + pnlControls.getAlpha());   
    lblAction.setText("Ângulo do Servo " + sdrAlpha.getValue());
    //myPort.write(100);
    myPort.write(sdrAlpha.getValue());
  }
  if(sdrHorzPos == slider){
    pnlControls.setX(sdrHorzPos.getValue());
  }
  if(sdrVertPos == slider){
    pnlControls.setY(sdrVertPos.getValue());
  }
}


public void handlePanelEvents(GPanel panel){
  if(pnlControls == panel){
    switch (pnlControls.getEventType()){
    case GPanel.DRAGGED:
      if(sdrHorzPos != null && sdrVertPos != null){
        sdrHorzPos.setValue(pnlControls.getX());
        sdrVertPos.setValue(pnlControls.getY());
      }
    }
  }
}


void draw(){
  pushMatrix();
  background(imgBgImage);
  popMatrix();
}

public void drawController(GWinApplet appc, GWinData data){
  appc.stroke(255,255,0);
  appc.strokeWeight(1);
  appc.fill(130,130,0);
  appc.rect(pnlControls.getX()/4, (pnlControls.getY() - pnlControls.getTabHeight())/4,
  pnlControls.getWidth()/4, (pnlControls.getHeight()+ pnlControls.getTabHeight())/4);
}


/* -----------  P R O G R A M A   D O   A R D U I N O  -------------------------------------
 Servo ligado no pino 10
 
 
 #include  
 
 Servo myservo;  // create servo object to control a servo 
 
 int potpin = 0;  // analog pin used to connect the potentiometer
 int val;    // Data received from the serial port 
 
 
 void setup() 
 { 
 myservo.attach(10);  // attaches the servo on pin 9 to the servo object
 Serial.begin(9600); // Start serial communication at 9600 bps
 } 
 
 void loop() 
 { 
 if (Serial.available()) { // If data is available to read,
 val = Serial.read(); // read it and store it in val
 }
 val = map(val, 0, 179, 0, 179);     // scale it to use it with the servo (value between 0 and 180) 
 myservo.write(val);                  // sets the servo position according to the scaled value 
 delay(15);                           // waits for the servo to get there 
 } 
 
 */