Shaibal Final Project

bottolDisposer.ino

#include <Servo.h>
#include "HX711.h"
#include <LiquidCrystal.h>

// initialize the library by associating any needed LCD interface pin
// with the arduino pin number it is connected to
const int rs = 32, en = 30, d4 = 28, d5 = 26, d6 = 24, d7 = 22;
LiquidCrystal lcd(rs, en, d4, d5, d6, d7);

// Weight
// HX711.DOUT  - pin #5
// HX711.PD_SCK - pin #6
HX711 scale(5, 6);
float units;
float ounces;
float weight_value = 0.00;
boolean second_check = false;

// Servo property
Servo myservo;
int pos = 0;
int posStart = 0;
int posStop = 167;
int servoPin = 9;

// Coin Servo
Servo myservoCoin;
int Cpos = 0;
int CposStart = 0;
int CposStop = 95;
int CservoPin = 8;

// metal
int metal = 3;
// buzzer
int buzzer = 11;

// pin for esp
int smallesp = 53;
int bigesp = 52;

void setup() {
  Serial.begin(9600);
  
  lcd_display(0, 2, "System INI");
  
  // Servo
  myservo.attach(servoPin);
  myservoCoin.attach(CservoPin);

  // pin Define
  pinMode(metal, INPUT);
  pinMode(buzzer, OUTPUT);

  // esp
  pinMode(smallesp, OUTPUT);
  pinMode(bigesp, OUTPUT);
  
  // Weight
  scale.set_scale();
  scale.tare();
  long zero_factor = scale.read_average();

  lcd.begin(20, 4);

  servo_close(posStart, posStop, 1);

  weight_align();
  
}


void loop() {
  bool met = digitalRead(metal);
  delay(500);
  if(met)
  {
      Serial.println("Matel Detected");
      digitalWrite(buzzer, HIGH);
      delay(100);
      digitalWrite(buzzer, LOW);
      delay(200);
      metal_view();
      delay(50);
  } 
  else 
  {
    // fix the value
    weight_align();
  
    // store the weight value
    get_weight();
  
    // check small bottol
    small();
  
    // check big bottol
    big();
  
    if(108.00 < weight_value){
      Serial.println("Over Weight");
      digitalWrite(buzzer, HIGH);
      delay(100);
      digitalWrite(buzzer, LOW);
      delay(200);
      overweight_view();
      delay(50);
    } else {
  
      // Display View
      main_view();
    }
  }
}

// =================== Weight =========================

// Weight
float weight()
{
  scale.set_scale(2560); //Adjust to this calibration factor
  units = scale.get_units(), 10;
  if (units < 0)
  {
    units = 0.00;
  }
  ounces = units * 0.335274;
  delay(200);
  return ounces + 100;
}

void weight_align() {
  weight();
  weight();
  weight();
  weight();
  weight();
}

void get_weight() {
  weight_value = weight();
  // lcd_display(0, 1, String(weight_value - 100));
  Serial.println(weight_value);
}

// =================== END Weight =========================

// =================== Botol =========================

// Small Bottol Sence
void small() {
  // small
  if (105.00 < weight_value)
  {

    Serial.println("Min");
    if (weight_value < 106.00) {

      receiveBuz();   // receive bip
      
      small_view();

      Serial.println("Max");
      Serial.println("Giving Small");

      // Big Servo Move
      servo_open(posStart, posStop, 1);
      delay(2000);
      servo_close(posStart, posStop, 1);
      delay(500);

      if (second_check) {
        small_Sec_view();
        // coin give
        digitalWrite(smallesp, HIGH);
        servo_open(CposStart, CposStop, 2);
        delay(2000);
        servo_close(CposStart, CposStop, 2);
        digitalWrite(smallesp, LOW);
        delay(2000);
        // check again
      }

      if (!second_check) {
        check_small_again();
      }

      second_check = false;
    }
    else
    {
      if (second_check) {
        second_check = false;
        small_No_Sec_view();
      }
    }
  }
  else
  {
    if (second_check) {
      second_check = false;
      Serial.println("Thank you");
      small_No_Sec_view();
      delay(1000);
    }
  }
}


void check_small_again() {
  second_check = true;
  delay(3000);
  weight_align();
  get_weight();
  small();
}


void big() {
  if (106.00 < weight_value)
  {
    
    Serial.println("Min");
    if (weight_value < 107.00) {
      Serial.println("Max");
      Serial.println("Giving Big");
      
      receiveBuz();   // receive bip
      
      digitalWrite(bigesp, HIGH);
      big_view();
      
      // Big Servo Move
      servo_open(posStart, posStop, 1);
      delay(2000);
      servo_close(posStart, posStop, 1);
      delay(500);
        
      // coin give
      servo_open(CposStart, CposStop, 2);
      delay(1000);
      servo_close(CposStart, CposStop, 2);
      delay(2000);
      // check again
      digitalWrite(bigesp, LOW);
    }
  }
}

// =================== END Botol =========================

// =================== Servo Function =========================
// Servo Function
void servo_close(int Pstart, int Pstop, int i) {
  Serial.println("Servo Close");
  for (int p = Pstart; p <= Pstop; p += 1) {
    if (i == 1) {
      myservo.write(p);
    }
    if (i == 2) {
      myservoCoin.write(p);
    }
  }
}

void servo_open(int Pstart, int Pstop, int i) {
  Serial.println("Servo Open");
  for (int p = Pstop; p >= Pstart; p -= 1) {
    if (i == 1) {
      myservo.write(p);
    }
    if (i == 2) {
      myservoCoin.write(p);
    }
  }
}
// =================== END Servo Function =========================

void receiveBuz(){
   digitalWrite(buzzer, HIGH);
   delay(300);
   digitalWrite(buzzer, LOW);
}


void lcd_display(int row, int col, String msg) {
  lcd.setCursor(row, col);
  lcd.print(msg);
}


void main_view() {
  lcd.clear();
  lcd_display(0, 0, "Put Your Bottle Here");
  lcd_display(3, 1, "Plastic Bottle");
  lcd_display(0, 2, "1 Large  :1 Tk ");
  lcd_display(0, 3, "2 Small  :1 Tk ");
}


void big_view() {
  lcd.clear();
  lcd_display(0, 0, "Put Your Bottle Here");
  lcd_display(0, 1, "Size     :1 Large");
  lcd_display(0, 2, "Taka     :1 Tk");
  lcd_display(5, 3, "Thank you");
}

void small_view() {
  lcd.clear();
  lcd_display(0, 0, "Put Your Bottle Here");
  lcd_display(0, 1, "Size     :1 Small");
  lcd_display(0, 2, "Taka     :0 Tk");
  lcd_display(3, 3, "Refill in 3 Sec");
}


void small_Sec_view() {
  lcd.clear();
  lcd_display(0, 0, "Put Your Bottle Here");
  lcd_display(0, 1, "Size     :2 Small");
  lcd_display(0, 2, "Taka     :1 Tk");
  lcd_display(5, 3, "Thank you");
}


void small_No_Sec_view() {
  lcd.clear();
  lcd_display(0, 0, "Put Your Bottle Here");
  lcd_display(0, 1, "Size     :1 Small");
  lcd_display(0, 2, "Taka     :0 Tk");
  lcd_display(5, 3, "Thank you");
}

void overweight_view() {
  lcd.clear();
  lcd_display(0, 0, "Put Your Bottle Here");
  lcd_display(3, 1, "Plastic Bottle");
  lcd_display(0, 2, "Not Accepted");
  lcd_display(0, 3, "Over Weight");
}

void metal_view() {
  lcd.clear();
  lcd_display(0, 0, "Put Your Bottle Here");
  lcd_display(3, 1, "Plastic Bottle");
  lcd_display(0, 2, "Not Accepted");
  lcd_display(0, 3, "Metal Detected");
}