Geiger counter

WifiBot with geiger counters and toxic gas sensors

On board Geiger counter (connected the USB port of the ARDrone v1)

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

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)