👉Code

// include the library code: 
#include <LiquidCrystal.h> //library for LCD 

// initialize the library with the numbers of the interface pins 
LiquidCrystal lcd(13, 12, 11, 10, 9, 8); 

//Measuring Current Using ACS712 
int sensitivity = 66; // use 185 for 5A Module and 100 for 20A Module
int adcvalue= 0; 
int offsetvoltage = 2500;  //Sensor Callibration
double Voltage = 0; //voltage measuring 
double ecurrent = 0;// Current measuring 

void setup() 
{
  lcd.begin(20, 4); // set up the LCD's number of columns and rows:
  lcd.setCursor(0,0);
  lcd.print("  THE BRIGHT LIGHT    ");
  lcd.setCursor(0,1);
  lcd.print(" Current Measurement  ");
} 

void loop()
{ 
  // Measure The Current ***********************************
  adcvalue = analogRead(A0);//reading the value from the analog pin A0
  Voltage = (adcvalue / 1024.0) * 5000; // Gets you mV 
  ecurrent = ((Voltage - offsetvoltage) / sensitivity); 
  lcd.setCursor(0,3); 
  lcd.print("  Current = "); 
  lcd.print(ecurrent); 
  lcd.print("A"); //unit for the current to be measured 
  delay(200);
}