Untitled

#include <HX711.h>
#include <Adafruit_GFX.h>
#include <Adafruit_NeoMatrix.h>
#include <Adafruit_NeoPixel.h>

const int PIN_NEOPIXEL = 32;
// Define HX711 connections entrance load cell
const int doutPin_entrance = 47;
const int sckPin_entrance = 46;

// Define HX711 connections exit load cell
const int doutPin_exit = 43;
const int sckPin_exit = 42;

//entrance led
const int greenled1_pin = 52; 
const int redled1_pin = 50;

//exit led
const int greenled2_pin = 53;
const int redled2_pin = 54;

// Declare HX711 instances for entrance and exit load cells
HX711 loadcell_entrance;
HX711 loadcell_exit;

// Define calibration factor
const float calibration_factor_entrance = 21052.08;
const float calibration_factor_exit = 20719.11;

// Define variables
float weight_value_entrance = 0;
float previous_highest_weight_entrance = 0; // Pinaka-taas nga timbang sa nakaraang pagbasa
float highest_weight_entrance = 0; // Pinaka-taas nga timbang sa kasamtangan nga pagbasa
bool interval_active_entrance = false; // Flag alang sa active nga interval

// Define variables
float weight_value_exit = 0;
float previous_highest_weight_exit = 0; // Pinaka-taas nga timbang sa nakaraang pagbasa
float highest_weight_exit = 0; // Pinaka-taas nga timbang sa kasamtangan nga pagbasa
bool interval_active_exit = false; // Flag alang sa active nga interval

const float weight_limit = 500;

Adafruit_NeoMatrix matrix = Adafruit_NeoMatrix(32, 8, PIN_NEOPIXEL,
                                             NEO_MATRIX_TOP + NEO_MATRIX_LEFT +
                                             NEO_MATRIX_COLUMNS + NEO_MATRIX_ZIGZAG,
                                             NEO_GRB + NEO_KHZ800);

const uint16_t color = matrix.Color(255, 0, 0); // Red color for the scale

void setup() {
  Serial.begin(9600);
  matrix.begin();
 matrix.setTextWrap(false);
 matrix.setBrightness(10);
 matrix.setTextColor(color);

  loadcell_entrance.begin(doutPin_entrance, sckPin_entrance);
  loadcell_entrance.set_scale(calibration_factor_entrance);
  loadcell_entrance.tare();

  // Initialize exit load cell
  loadcell_exit.begin(doutPin_exit, sckPin_exit);
  loadcell_exit.set_scale(calibration_factor_exit); // You need to define calibration_factor_exit for the exit load cell
  loadcell_exit.tare();
}

void loop() {
  // Basaha ang timbang gikan sa load cell
  weight_value_entrance = loadcell_entrance.get_units();
  weight_value_exit = loadcell_exit.get_units();

 // Clear the display and set cursor position (adjusted)
 matrix.fillScreen(0);
 int stringSize = matrix.width() - 31;
 matrix.setCursor(stringSize, 0);

  // Check if the weight exceeds 10 kg
  if (weight_value_entrance > 10) {
    // If the weight exceeds 10 kg and no interval is active, start the interval
    if (!interval_active_entrance) {
      interval_active_entrance = true;
      previous_highest_weight_entrance = highest_weight_entrance; // I-save ang pinaka-taas nga timbang sa nakaraang interval
      highest_weight_entrance = 0; // I-reset ang kasamtangan nga pinaka-taas nga timbang
      // Update the highest weight if the current weight is higher
      
      
    }
     Serial.print(weight_value_entrance, 2); //Pinaka-taas nga timbang
     Serial.println("Kg");
     matrix.print(highest_weight_entrance);
     matrix.println("Kg");
     digitalWrite(redled1_pin, HIGH);
     delay(4000);
     digitalWrite(greenled1_pin, HIGH);
    
        highest_weight_entrance = max(highest_weight_entrance, weight_value_entrance);
  } else {
    // If the weight is below 10 kg, end the interval and update the highest weight
    if (interval_active_entrance) {
      interval_active_entrance = false;

      
      digitalWrite(greenled1_pin, HIGH);
      highest_weight_entrance += previous_highest_weight_entrance; // I-add ang pinaka-taas nga timbang sa nakaraang interval sa kasamtangan nga pinaka-taas nga timbang
      Serial.print(highest_weight_entrance, 2); //Pinaka-taas nga timbang
     Serial.println("Kg");
     matrix.print(highest_weight_entrance);
     matrix.println("Kg");

    }
  }

  // Check if the weight from the exit load cell exceeds 10 kg
  if (weight_value_exit > 10) {
    // If the weight exceeds 10 kg and no interval is active, start the interval
    if (!interval_active_exit) {
      interval_active_exit = true;
      previous_highest_weight_exit = highest_weight_exit; // I-save ang pinaka-taas nga timbang sa nakaraang interval
      highest_weight_exit = 0; // I-reset ang kasamtangan nga pinaka-taas nga timbang

    }
         matrix.print(highest_weight_exit);
     matrix.println("Kg");
     
    // Update the highest weight if the current weight is higher
    highest_weight_exit = max(highest_weight_exit, weight_value_exit);
  } else {
    // If the weight is below 10 kg, end the interval and update the highest weight
    if (interval_active_exit) {
      interval_active_exit = false;
      highest_weight_entrance -= highest_weight_exit; // I-add ang pinaka-taas nga timbang sa nakaraang interval sa kasamtangan nga pinaka-taas nga timbang
      Serial.println(highest_weight_entrance); //total nga timbang
    }
            matrix.print(highest_weight_entrance);
  }
  matrix.show();
}