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	- Project: "Smart Dustbin"
	- Source Code compiled for: Arduino Uno
	- Source Code created on: 2024-01-28 02:45:57

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/****** SYSTEM REQUIREMENTS *****/
/****** SYSTEM REQUIREMENT 1 *****/
	/* two ultrasonic sensors for a smart dustbin process */
	/* the sensor data one ultrasonic sensor connect with */
	/* servo motor and one ultrasonic sensor check the */
	/* dustbin is full and connet esp module */
/****** END SYSTEM REQUIREMENTS *****/

/****** DEFINITION OF LIBRARIES *****/
#include <Arduino.h>
#include <Ultrasonic.h>
#include <Servo.h>

/****** FUNCTION PROTOTYPES *****/
void setup(void);
void loop(void);

/***** DEFINITION OF DIGITAL INPUT PINS *****/
const uint8_t Ultra_HC_SR04_Echo_PIN_D3 = 3;
const uint8_t Ultra_2_HC_SR04_Echo_PIN_D6 = 6;

/***** DEFINITION OF DIGITAL OUTPUT PINS *****/
const uint8_t Ultra_HC_SR04_Trigger_PIN_D2 = 2;
const uint8_t Ultra_2_HC_SR04_Trigger_PIN_D4 = 4;

/***** DEFINITION OF PWM OUTPUT PINS *****/
const uint8_t servo_Servomotor_PWMSignal_PIN_D5 = 5;

/****** DEFINITION OF LIBRARIES CLASS INSTANCES*****/
Ultrasonic ultrasonic1(Ultra_HC_SR04_Trigger_PIN_D2, Ultra_HC_SR04_Echo_PIN_D3);
Ultrasonic ultrasonic2(Ultra_2_HC_SR04_Trigger_PIN_D4, Ultra_2_HC_SR04_Echo_PIN_D6);
Servo servo1;

void setup(void)
{
  // put your setup code here, to run once:
  pinMode(Ultra_HC_SR04_Echo_PIN_D3, INPUT);
  pinMode(Ultra_2_HC_SR04_Echo_PIN_D6, INPUT);

  pinMode(Ultra_HC_SR04_Trigger_PIN_D2, OUTPUT);
  pinMode(Ultra_2_HC_SR04_Trigger_PIN_D4, OUTPUT);
  pinMode(servo_Servomotor_PWMSignal_PIN_D5, OUTPUT);

  servo1.attach(servo_Servomotor_PWMSignal_PIN_D5);

  // Additional setup code for the ESP module connection
}

void loop(void)
{
  // put your main code here, to run repeatedly:
  
  // Check if the dustbin is full using ultrasonic2
  unsigned int distance = ultrasonic2.read();
  if (distance < 10) {
    // Dustbin is full, trigger servo motor to open the lid
    servo1.write(90); // Set the servo to 90 degrees (open position)
    delay(2000); // Wait for 2 seconds
    servo1.write(0); // Set the servo to 0 degrees (closed position)
  }

  // Additional code for the smart dustbin process using ultrasonic1

  delay(1000); // Delay for 1 second before repeating the loop
}