Geiger counter

Geiger counter

Code Processing pour visualiser les particules recues.

/**
 * Geiger Counter
 * 
 * Read data from the serial port ("0" "1") from SEN-09848 and change the color
 * of a rectangle when a switch connected to the Geiger Counter
 * SEN-09848 http://www.sparkfun.com/products/9848 .
 */


import processing.serial.*;

Serial myPort;  // Create object from Serial class
int val;      // Data received from the serial port
int fg=0;
int serialPortPos=1; // 0 on my PC is the Modem port.
int counter0=0;
int counter1=0;

void setup() 
{
  size(200, 200);
  String portName = Serial.list()[serialPortPos];
  myPort = new Serial(this, portName, 9600);
}

void draw()
{
  if ( myPort.available() > 0) {  // If data is available,
    val = myPort.read();         // read it and store it in val
    background(255);

    // Set background to white
    if(val=='0') {
      counter0++; 
    } else {
      counter1++;
    }
    if(fg==0) {
      fg=204;
    } else {
      fg=0; 
    }
    
    fill(fg);
    text((counter0+counter1)+":"+counter0+":"+counter1,8,height-6);
  
    long timestamp=System.currentTimeMillis();
    println(timestamp+"="+new Date(timestamp));
  }
  
  rect(50, 50, 100, 100);
}

Application

Drone PRI (Prévention des Risques Industriels)

Capture des particules détectés dans la nuit du 23 03 2011 à Grenoble (chaque trait vertical est le nombre de particules par seconde).