//place known weights and write down what it says on the display
#include "HX711_ADC.h"
#include <LiquidCrystal_I2C.h>

const int loadConstant = 420;
const int tareButton = 13;
float weight;

#define I2C_ADDR    0x27
#define LCD_COLUMNS 16
#define LCD_LINES   2

LiquidCrystal_I2C lcd(I2C_ADDR, LCD_COLUMNS, LCD_LINES);
HX711_ADC LoadCell(A1, A0);

void setup() {
  pinMode(tareButton, INPUT);
  Serial.begin(9600);
  lcd.init();
  lcd.backlight();
  LoadCell.begin(); 
  LoadCell.start(1000);
  LoadCell.setCalFactor(1);
}

void loop() {
  LoadCell.update(); 
  weight = LoadCell.getData()/loadConstant;
  Serial.println(weight);
  lcd.setCursor(5, 0);
  lcd.print(weight);
  if (digitalRead (tareButton) == LOW){
    lcd.clear();
    lcd.setCursor(3, 0);
    lcd.print("Taring");
    LoadCell.start(1000);
    lcd.clear();
  }
}