Arduino-Based Smart Dustbin - Hemant Verma - Google Docs.pdf
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About This Presentation
Creating a detailed guide on an Arduino-based smart dustbin involves covering various aspects, from the components required to the programming code and the step-by-step construction process. While a 3000-word response may be too extensive for this format, I'll provide an overview of the key sect...
Slide Content
Arduino-Based Smart Dustbin
Name - Hemant Verma
Roll Number - 210435
Email Id -[email protected]
Drive Link :Smart Dustbin
Name - Hemant Verma
Roll Number - 210435
Email Id -[email protected]
Drive Link :Smart Dustbin
Ideation
An Arduino-based smart dustbin with motion detection presents a promising
solution for hands-free waste disposal. The dustbin is equipped with sensors
that can detect the presence of a person approaching it, and the servo motors
will open the lid automatically, providing a touchless experience for users. This
smart dustbin can also monitor the waste level and send alerts when it needs to
be emptied. With the added convenience of a hands-free experience, users can
dispose of waste more efficiently and hygienically. This innovative solution
could significantly improve the waste management process and promote public
health and safety.
Sensors
Ultrasonic sensors: They use sound waves to detect the distance of objects
within their field of view. In the smart dustbin project, they can detect a
person's presence and distance from the sensor, triggering the lid to open.
Actuators
Servo motors: They are small and precise motors that can rotate to a specific
angle with high accuracy. They can be easily controlled using a microcontroller
board like Arduino Uno. In the smart dustbin project, servo motors are used to
move the lid of the dustbin up and down automatically in response to the
sensor inputs. This provides a hands-free and hygienic solution for waste
disposal.
Development boards
Arduino Uno: It is a widely-used microcontroller board in the maker community
that features an ATmega328P microcontroller. It provides a simple and flexible
way to program and control various sensors and actuators used in DIY
electronics projects, including the smart dustbin. It is a cost-effective and
versatile platform for prototyping and developing embedded systems.
An Arduino-based smart dustbin with motion detection presents a promising
solution for hands-free waste disposal. The dustbin is equipped with sensors
that can detect the presence of a person approaching it, and the servo motors
will open the lid automatically, providing a touchless experience for users. This
smart dustbin can also monitor the waste level and send alerts when it needs to
be emptied. With the added convenience of a hands-free experience, users can
dispose of waste more efficiently and hygienically. This innovative solution
could significantly improve the waste management process and promote public
health and safety.
Sensors
Ultrasonic sensors: They use sound waves to detect the distance of objects
within their field of view. In the smart dustbin project, they can detect a
person's presence and distance from the sensor, triggering the lid to open.
Actuators
Servo motors: They are small and precise motors that can rotate to a specific
angle with high accuracy. They can be easily controlled using a microcontroller
board like Arduino Uno. In the smart dustbin project, servo motors are used to
move the lid of the dustbin up and down automatically in response to the
sensor inputs. This provides a hands-free and hygienic solution for waste
disposal.
Development boards
Arduino Uno: It is a widely-used microcontroller board in the maker community
that features an ATmega328P microcontroller. It provides a simple and flexible
way to program and control various sensors and actuators used in DIY
electronics projects, including the smart dustbin. It is a cost-effective and
versatile platform for prototyping and developing embedded systems.
Code Used
#include <Servo.h> //servo library
Servo servo;
const int trigPin1 = 6;
const int echoPin1 = 7;
const int servoPin = 8;
long duration, dist, dist1, dist2, average;
long aver[3]; //array for average
int pos =0;
int target = 120;
const int trigPin2 = 13;
const int echoPin2 = 12;
const int redPin = 4;
const int greenPin = 3;
#include <Servo.h> //servo library
Servo servo;
const int trigPin1 = 6;
const int echoPin1 = 7;
const int servoPin = 8;
long duration, dist, dist1, dist2, average;
long aver[3]; //array for average
int pos =0;
int target = 120;
const int trigPin2 = 13;
const int echoPin2 = 12;
const int redPin = 4;
const int greenPin = 3;
const int bluePin = 2;
// Define threshold values for waste levels
const int lowThreshold = 7;
const int mediumThreshold = 15;
const int highThreshold = 90;
void setup() {
Serial.begin(9600);
servo.attach(servoPin);
pinMode(trigPin1, OUTPUT);
pinMode(echoPin1, INPUT);
pinMode(trigPin2, OUTPUT);
pinMode(echoPin2, INPUT);
pinMode(redPin, OUTPUT);
pinMode(greenPin, OUTPUT);
// Define threshold values for waste levels
const int lowThreshold = 7;
const int mediumThreshold = 15;
const int highThreshold = 90;
void setup() {
Serial.begin(9600);
servo.attach(servoPin);
pinMode(trigPin1, OUTPUT);
pinMode(echoPin1, INPUT);
pinMode(trigPin2, OUTPUT);
pinMode(echoPin2, INPUT);
pinMode(redPin, OUTPUT);
pinMode(greenPin, OUTPUT);
pinMode(bluePin, OUTPUT);
}
void loop() {
measure(trigPin1, echoPin1);
dist1 = dist;
Serial.print("Dist1 : ");
Serial.println(dist1);
int pos =13;
servo.write(pos);
if ( dist1<35 ) {
//Change distance as per your need
for(pos=0;pos<=target;pos+=1)
{
servo.write(pos);
}
void loop() {
measure(trigPin1, echoPin1);
dist1 = dist;
Serial.print("Dist1 : ");
Serial.println(dist1);
int pos =13;
servo.write(pos);
if ( dist1<35 ) {
//Change distance as per your need
for(pos=0;pos<=target;pos+=1)
{
servo.write(pos);
delay(8);
}
delay(3000);
for(pos=target;pos>=0;pos+=-1)
{
servo.write(pos);
delay(5);
}
}
duration = 0;
measure(trigPin2, echoPin2);
dist2 = dist;
Serial.print("Dist2 : ");
Serial.println(dist2);
}
delay(3000);
for(pos=target;pos>=0;pos+=-1)
{
servo.write(pos);
delay(5);
}
}
duration = 0;
measure(trigPin2, echoPin2);
dist2 = dist;
Serial.print("Dist2 : ");
Serial.println(dist2);
// Check waste level and update RGB LED accordingly
if (dist2 >= mediumThreshold) {
// Low waste level, illuminate LED green
digitalWrite(redPin, LOW);
digitalWrite(greenPin, HIGH);
digitalWrite(bluePin, LOW);
} else if (dist2 >= lowThreshold) {
// Medium waste level, illuminate LED yellow
digitalWrite(redPin, LOW);
digitalWrite(greenPin, LOW);
digitalWrite(bluePin, HIGH);
} else {
// Maximum waste level, blink LED red
digitalWrite(redPin, HIGH);
if (dist2 >= mediumThreshold) {
// Low waste level, illuminate LED green
digitalWrite(redPin, LOW);
digitalWrite(greenPin, HIGH);
digitalWrite(bluePin, LOW);
} else if (dist2 >= lowThreshold) {
// Medium waste level, illuminate LED yellow
digitalWrite(redPin, LOW);
digitalWrite(greenPin, LOW);
digitalWrite(bluePin, HIGH);
} else {
// Maximum waste level, blink LED red
digitalWrite(redPin, HIGH);
digitalWrite(greenPin, LOW);
digitalWrite(bluePin, LOW);
delay(400);
digitalWrite(redPin, LOW);
digitalWrite(greenPin, LOW);
digitalWrite(bluePin, LOW);
delay(400);
}
// Wait a short time before repeating loop
delay(200);
}
void measure (int trigPin, int echoPin) {
digitalWrite(trigPin, LOW);
digitalWrite(bluePin, LOW);
delay(400);
digitalWrite(redPin, LOW);
digitalWrite(greenPin, LOW);
digitalWrite(bluePin, LOW);
delay(400);
}
// Wait a short time before repeating loop
delay(200);
}
void measure (int trigPin, int echoPin) {
digitalWrite(trigPin, LOW);
delayMicroseconds(2);
digitalWrite(trigPin, HIGH);
delayMicroseconds(10);
digitalWrite(trigPin, LOW);
pinMode(echoPin, INPUT);
duration = pulseIn(echoPin, HIGH);
dist = (duration/2) / 29.1; //obtain distance
}
digitalWrite(trigPin, HIGH);
delayMicroseconds(10);
digitalWrite(trigPin, LOW);
pinMode(echoPin, INPUT);
duration = pulseIn(echoPin, HIGH);
dist = (duration/2) / 29.1; //obtain distance
}
Explanation and working of the entire assembly with block
Diagram
Diagram
The ultrasonic sensor used in the smart dustbin operates by emitting high-
frequency sound waves and measuring the time it takes for the sound waves
to bounce back from an object. The sensor can detect its object within its
field of view and estimate their distance based on the time delay between the
emitted and received sound waves. When a person approaches the dustbin,
the ultrasonic sensordetects the motionand calculates the distance of the
person from the dustbin. If the person is within the trigger distance, which can
be set using the programming of the Arduino Uno board, the microcontroller
sends a signal to the servo motor toopen the lidof the dustbin.
In addition to motion detection, the ultrasonic sensor also detects the waste
level inside the dustbin. By placing the sensor at the top of the trash can and
measuring the distance between it and the top of the waste pile, it is made
possible. The sensor's distance measurement decreases as the waste level
rises, allowing the microcontroller to determine the waste level inside the bin.
If the waste level reaches a certain threshold, which can also be set using the
programming of the Arduino Uno board, the microcontroller activates an LED to
indicate that the dustbin is full. The LED can be programmed to change color
based on the waste level or other conditions, such as when the dustbin needs
to be emptied or when it's time for recycling. This feature provides a visual cue
to users that the dustbin needs to be emptied and encourages them to practice
responsible waste management.
The microcontroller activates an LED to show the waste level in the smart
dustbin
●When the dustbin is empty, a green light illuminates
●When the dustbin is half full, a blue light illuminates
●When the waste level reaches a programmed threshold, the LED
changes to a red blinking light, indicating that the dustbin is full and
needs to be emptied
This feature helps users keep track of the waste level and encourages
responsible waste management. The LED color can be customized to signal
other conditions, such as when it's time for recycling.
frequency sound waves and measuring the time it takes for the sound waves
to bounce back from an object. The sensor can detect its object within its
field of view and estimate their distance based on the time delay between the
emitted and received sound waves. When a person approaches the dustbin,
the ultrasonic sensordetects the motionand calculates the distance of the
person from the dustbin. If the person is within the trigger distance, which can
be set using the programming of the Arduino Uno board, the microcontroller
sends a signal to the servo motor toopen the lidof the dustbin.
In addition to motion detection, the ultrasonic sensor also detects the waste
level inside the dustbin. By placing the sensor at the top of the trash can and
measuring the distance between it and the top of the waste pile, it is made
possible. The sensor's distance measurement decreases as the waste level
rises, allowing the microcontroller to determine the waste level inside the bin.
If the waste level reaches a certain threshold, which can also be set using the
programming of the Arduino Uno board, the microcontroller activates an LED to
indicate that the dustbin is full. The LED can be programmed to change color
based on the waste level or other conditions, such as when the dustbin needs
to be emptied or when it's time for recycling. This feature provides a visual cue
to users that the dustbin needs to be emptied and encourages them to practice
responsible waste management.
The microcontroller activates an LED to show the waste level in the smart
dustbin
●When the dustbin is empty, a green light illuminates
●When the dustbin is half full, a blue light illuminates
●When the waste level reaches a programmed threshold, the LED
changes to a red blinking light, indicating that the dustbin is full and
needs to be emptied
This feature helps users keep track of the waste level and encourages
responsible waste management. The LED color can be customized to signal
other conditions, such as when it's time for recycling.
Reference
1. Kiriaki M Keramitsoglou and Konstantinos P Tsagarakis. Public
participation in designing the recycling bins to encourage
recycling.Sustainability, 10(4):1240, 2018.
2. Trushali S Vasagade, Shabanam S Tamboli, and Archana D
Shinde. Smart solid waste collection and management system. In
Techno- Societal 2018, pages 663–671. Springer, 2020.
1. Kiriaki M Keramitsoglou and Konstantinos P Tsagarakis. Public
participation in designing the recycling bins to encourage
recycling.Sustainability, 10(4):1240, 2018.
2. Trushali S Vasagade, Shabanam S Tamboli, and Archana D
Shinde. Smart solid waste collection and management system. In
Techno- Societal 2018, pages 663–671. Springer, 2020.
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