/**
 * Complete project details at https://RandomNerdTutorials.com/arduino-load-cell-hx711/
 *
 * HX711 library for Arduino - example file
 * https://github.com/bogde/HX711
 *
 * MIT License
 * (c) 2018 Bogdan Necula
 *
**/

#include <Arduino.h>
#include "HX711.h"

// HX711 circuit wiring
const int LOADCELL_DOUT_PIN = 4;
const int LOADCELL_SCK_PIN = 5;

const int pin2 = 2;

float peso = 0 ;
float peso1 = 0 ;
float peso2 = 0 ;
const int pin3 = 3;

HX711 scale;
HX711 scale2;

void setup() {
  Serial.begin(57600);
  //Serial.println("HX711 Demo");
  //Serial.println("Initializing the scale");

  scale.begin(LOADCELL_DOUT_PIN, LOADCELL_SCK_PIN);
  scale2.begin(pin2, pin3) ;

  //Serial.println("Before setting up the scale:");
 // Serial.print("read: \t\t");
  //Serial.println(scale.read());      // print a raw reading from the ADC
 // Serial.println(scale2.read());

  //Serial.print("prima cella \t\t");
  //Serial.println(scale.read_average(20));   // print the average of 20 readings from the ADC
  //Serial.print("seconda cella \t\t");
  //Serial.println(scale2.read_average(20));   // print the average of 20 readings from the ADC

  //Serial.print("get value scala 1: \t\t");
 // Serial.println(scale.get_value(5));   // print the average of 5 readings from the ADC minus the tare weight (not set yet)
 // Serial.print("get value scala 2: \t\t");
  //Serial.println(scale2.get_value(5));   // print the average of 5 readings from the ADC minus the tare weight (not set yet)

  //Serial.print("get units scala 1: \t\t");
  //Serial.println(scale.get_units(5), 1);  // print the average of 5 readings from the ADC minus tare weight (not set) divided
  //Serial.print("get units scala 2: \t\t");
  //Serial.println(scale2.get_units(5), 1);  // print the average of 5 readings from the ADC minus tare weight (not set) divided
            // by the SCALE parameter (not set yet)

  scale.set_scale(76);
  scale2.set_scale(77);
  //scale.set_scale(-471.497);                      // this value is obtained by calibrating the scale with known weights; see the README for details
  scale.tare();               // reset the scale to 0
  scale2.tare();
  //Serial.println("After setting up the scale:");

 // Serial.print("read scala 1: \t\t");
 // Serial.println(scale.read());                 // print a raw reading from the ADC
 //  Serial.print("read scala 2: \t\t");
 // Serial.println(scale2.read());

  //Serial.print("read average: scala 1\t\t");
  //Serial.println(scale.read_average(20));       // print the average of 20 readings from the ADC
   //Serial.print("read average:  scala 2\t\t");
 // Serial.println(scale2.read_average(20));

 // Serial.print("get value: scala 1 \t\t");
  //Serial.println(scale.get_value(5));   // print the average of 5 readings from the ADC minus the tare weight, set with tare()
 //  Serial.print("get value: scala 2 \t\t");
 // Serial.println(scale2.get_value(5));

  //Serial.print("get units: unita 1 \t\t");
  //Serial.println(scale.get_units(5), 1);
  //Serial.print("get units: unita 2 \t\t");
  //Serial.println(scale2.get_units(5), 1);       // print the average of 5 readings from the ADC minus tare weight, divided
            // by the SCALE parameter set with set_scale

  //Serial.println("Readings:");
}

void loop() {
  /*
  Serial.print("one reading: scala 1\t");
  Serial.print(scale.get_units(), 1);
  Serial.print("\t| average:\t");
  Serial.println(scale.get_units(10), 5);
 Serial.print("one reading: scala 2\t");
  Serial.print(scale2.get_units(), 1);
  */
  Serial.println(scale2.get_units(10), 5);

/*
  peso1 = (scale.get_value());
  peso2= (scale2.get_value());
  peso = (peso1 + peso2) ;
  Serial.print("peso:") ;
  Serial.print(peso) ;
  Serial.println("");
  */



  delay(2000);
}