EnergyMeter.ino

#include "EmonLib.h"                   // Include Emon Library
#include <LCD5110_Graph_SPI.h>
EnergyMonitor emon1;                   // Create an instance

LCD5110 myGLCD (5,6,3);
extern unsigned char SmallFont[];
extern unsigned char TinyFont[];

void setup()
{  
  Serial.begin(9600);
  
  emon1.current(1, 111.1);             // Current: input pin, calibration.

  myGLCD.InitLCD(70);
  myGLCD.setFont(SmallFont);
  myGLCD.update();
  myGLCD.print("ENERGY MONITOR", CENTER, 5);
  myGLCD.update();
  myGLCD.print("9W2NFE", CENTER, 15);
  myGLCD.setFont(TinyFont);
  myGLCD.print("9W2NFE.blogspot.com", CENTER, 25);
  myGLCD.update();
  delay(3000);
  myGLCD.clrScr();
  myGLCD.setFont(SmallFont);
  myGLCD.update();
}

void loop()
{
  double Irms = emon1.calcIrms(1480);  // Calculate Irms only
  
  Serial.print(Irms*230.0);	       // Apparent power
  myGLCD.printNumF((Irms*230.0), 2, 10, 10);
  myGLCD.print(" WATT", 40,10);
  Serial.print(" ");
  Serial.println(Irms);		       // Irms
  myGLCD.printNumF(Irms, 2, 10, 20);
  myGLCD.print("  AMP", 35,20);
  myGLCD.update();
}