Robot arm manual control for processing

Miniarmcablibration.pde

import cc.arduino.*;
import processing.serial.*;

Arduino arduino;
int servo1Pin = 9; // Control pin for servo motor
int servo2Pin = 10; // Control pin for servo motor
int servo3Pin = 11; // Control pin for servo motor
int penposn;

void setup(){

size (180, 180);
background(255);
arduino = new Arduino(this, Arduino.list()[1]);
arduino.pinMode(servo1Pin, Arduino.OUTPUT);
arduino.pinMode(servo2Pin, Arduino.OUTPUT);
arduino.pinMode(servo3Pin, Arduino.OUTPUT);
arduino.analogWrite(servo3Pin, 50); // the servo moves to the horizontal location of the mouse
penposn = 50;
}

void draw(){
  
arduino.analogWrite(servo1Pin, mouseX);
arduino.analogWrite(servo2Pin, mouseY);
if (mousePressed) 
{
  penposn = 23;
}
else
{penposn = 50;}

arduino.analogWrite(servo3Pin, penposn);
}