// EmonLibrary examples openenergymonitor.org, Licence GNU GPL V3
   #include "EmonLib.h"                   // Include Emon Library
   EnergyMonitor emon1;                   // Create an instance
   #include <LiquidCrystal.h>
   LiquidCrystal lcd(12,11,5,4,3,2);
   int led = 8;
   void setup()
   {  
  Serial.begin(9600);
  pinMode(led, OUTPUT);
  emon1.current(1, 111.1);             // Current: input pin, calibration.
  lcd.begin(16,2);
  lcd.clear(); // on efface l'écran
  }
  void loop()
  {
  double Irms = emon1.calcIrms(1480);  // Calculate Irms only
  Serial.print(Irms*230.0);	       // Apparent power
  Serial.print(" ");
  Serial.println(Irms);       // Irms
  delay(500); 
  lcd.begin(16,2);
  lcd.clear(); // on efface l'écran
  if (Irms*230 > 400) {
  lcd.print("MOTEUR EN MARCHE");
  lcd.setCursor(0,1); //on passe à la ligne suivante
  lcd.print("WARNING !!!"); // on finit d'écrire
  digitalWrite(led, LOW);   // turn the LED on (HIGH is the voltage level)
   }
  else {
  digitalWrite(led, HIGH);   // turn the LED on (HIGH is the voltage level)
  lcd.print("MOTEUR A L'ARRET"); // on écrit Bonjour
  lcd.setCursor(0,1); //on passe à la ligne suivante
  lcd.print("DON'T WORRY :) "); // on finit d'écrire
  }
  }