#include <HX711_ADC.h>

// Define the pins for the HX711 module
const int DT_PIN = 23; // GPIO23 for DT pin
const int SCK_PIN = 22; // GPIO22 for SCK pin

// Create an instance of the HX711_ADC class
HX711_ADC LoadCell;

// Define the calibration factors for each load cell
const float calibration_factor[] = { // Adjust these values according to your calibration process
  1234.0, // Calibration factor for Load Cell 1
  1234.0, // Calibration factor for Load Cell 2
  1234.0, // Calibration factor for Load Cell 3
  1234.0  // Calibration factor for Load Cell 4
};

void setup() {
  Serial.begin(9600);
  
  // Initialize the HX711 module
  LoadCell.begin(DT_PIN, SCK_PIN);
  
  // Set the gain factor (32 or 64)
  LoadCell.set_gain(128);

  // Set the scale factors for each load cell
  for (int i = 0; i < 4; i++) {
    LoadCell.set_scale(i, calibration_factor[i]);
  }
}

void loop() {
  // Read and print the weight for each load cell
  for (int i = 0; i < 4; i++) {
    Serial.print("Load Cell ");
    Serial.print(i + 1);
    Serial.print(": ");
    Serial.print(LoadCell.get_units(i), 2);
    Serial.println(" kg");
  }
  
  delay(1000); // Delay for one second before reading again
}