     {
         ecType=ecType+pow(tab[j]-moy,2);
     }
-    ecType=sqrt(ecType);
+    ecType=sqrt(ecType/tailleTab);
     return ecType;          
 }                
 

                    etatCalibrateur=WAITCLIC2;               
                    break;
                   
                case WAITCLIC2: 
                    if (boutonP.hasBeenClicked())
                        {
                            boutonP.acquit();

    if (millis()>5000+temp)
        {
            temp=millis();
			Serial.println();
            Serial.print("stackLeft=");
            Serial.println(reflechi.stackLeft());
        }
