void setup() 
{  Serial.begin(9600);
  pinMode(10, INPUT); 
}   


void loop() {  

  float vol;  
  int sensorValue = analogRead(A0);  
  int sensorValue2 = analogRead(A1);
  int sensorValue3 = analogRead(A2);  
  int sensorValue4 =  digitalRead(10);   
  
  vol = (float)sensorValue / 1024 * 5.0;
  Serial.print("Valeur 1=");
  Serial.print(sensorValue); 
  Serial.print(" Valeur 2=");
  Serial.print(sensorValue2); 
  Serial.print(" Valeur 3="); 
 
  Serial.print(sensorValue3); 
  Serial.print(" Valeur 4="); 
 
  Serial.println(sensorValue4);  
  //Serial.println(vol, 1);
  delay(1000);
}