#include <HX711.h>

// Define the pins for Channel A
const int LOADCELL_DOUT_PINA = 15;
const int LOADCELL_SCK_PINA = 14;

// Define the pins for Channel B
const int LOADCELL_DOUT_PINB = 17;
const int LOADCELL_SCK_PINB = 16;

// Initialize the HX711 library for Scale A
HX711 scaleA;

// Initialize the HX711 library for Scale B
HX711 scaleB;

// Define the calibration factor for Scale A (replace with your own calibration factor)
float calibrationFactorA = -459.542; // replace this value

// Define the calibration factor for Scale B (replace with your own calibration factor)
float calibrationFactorB = -459.542; // replace this value

void setup() {
  Serial.begin(57600);
  Serial.println("Initializing Scale A");
scaleA.begin(LOADCELL_DOUT_PINA, LOADCELL_SCK_PINA);
  Serial.println("Initializing Scale B");
  scaleB.begin(LOADCELL_DOUT_PINB, LOADCELL_SCK_PINB);
}

void loop() {
  Serial.println(scaleA.get_units(), 1);
  Serial.println(scaleB.get_units(), 1);
  delay(1000);

  // Calibrate Scale A
  Serial.println("Calibrating Scale A...");
  long readingA = 0;
  for (int i = 0; i < 10; i++) {
    readingA += scaleA.read();
    delay(50);
  
  readingA /= 10;
  scaleA.set_scale(calibrationFactorA); // replace with your own calibration factor
  scaleA.tare();

  Serial.println("Calibration Scale B - complete.");

  // Calibrate Scale B
  Serial.println("Calibrating Scale B...");
  long readingB = 0;
  for (int i = 0; i < 10; i++) {
    readingB += scaleB.read();
    delay(50);
  
  readingB /= 10;
  scaleB.set_scale(calibrationFactorB); // replace with your own calibration factor
  scaleB.tare();

  Serial.println("Calibration Scale A - complete.");

  // Read and display the weight for Scale A
  Serial.print("Weight on Scale A: ");
  Serial.print(scaleA.get_units(), 2);
  Serial.print(" kg");

  // Read and display the weight for Scale B
  Serial.print("Weight on Scale B: ");
  Serial.print(scaleB.get_units(), 2);
  Serial.println(" kg");

  delay(1000);
}
}
}