#include <HX711_ADC.h> 
#include <Wire.h>
#include <LiquidCrystal_I2C.h>

HX711_ADC LoadCell(4, 5);
LiquidCrystal_I2C lcd(0x27, 16, 2);
int taree = 6;

void setup() {
  pinMode(taree, INPUT_PULLUP);
  LoadCell.begin();
  LoadCell.start(1000);
  LoadCell.setCalFactor(420);     // Callibration Factor
  lcd.init();
  lcd.backlight();
  lcd.setCursor(1, 0);
  lcd.print("Digital Scale ");
  lcd.setCursor(0, 1);
  lcd.print(" 5KG MAX LOAD ");
  delay(3000);
  lcd.clear();
}

void loop() {
  lcd.setCursor(1, 0);
  lcd.print("Digital Scale ");
  
  LoadCell.update();
  float i = abs(LoadCell.getData());

  lcd.setCursor(0, 1);
  lcd.print(i >= 5000 ? "-" : " ");
  lcd.setCursor(8, 1);
  lcd.print(i >= 5000 ? "-" : " ");
  
  lcd.setCursor(1, 1);
  lcd.print(i, 1);
  lcd.print("kg ");
  
  float z = i / 28.3495;
  lcd.setCursor(9, 1);
  lcd.print(z, 2);
  lcd.print("oz ");

  if (i >= 5000) {
    i = 0;
    lcd.setCursor(0, 0);
    lcd.print("  Over Loaded   ");
    delay(200);
  }
  
  if (digitalRead(taree) == LOW) {
    lcd.setCursor(0, 1);
    lcd.print("   Taring...    ");
    LoadCell.start(1000);
    lcd.setCursor(0, 1);
    lcd.print("                ");
  }
}