Smart Bin

This bin will work automatically. You can drop dust without a touch. It can be kept in a small space likely a comfort zone.

Jun 3, 2021

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automation

smart bin

touchless dust bin

Devices & Components

Arduino Uno Rev3

USB Cable For Arduino Uno

SG90 Micro-servo motor

A Carton

Jumper wires (generic)

A Basket

9V battery (generic)

Ultrasonic Sensor - HC-SR04 (Generic)

Project description

Code

c_cpp

Here is the project code.

1#include <Servo.h>
2
3Servo servo;
4
5int trigPin = 5;
6int  echoPin = 6;
7int servoPin = 7;
8long duration, dist, average;
9long aver[3];
10
11void  setup(){
12
13
14  Serial.begin(9600);
15  servo.attach(servoPin);
16  pinMode(trigPin,  OUTPUT);
17  pinMode(echoPin, INPUT);
18  servo.write(0);
19  delay(100);
20  servo.attach();
21  
22
23}
24
25
26void measure(){
27
28  digitalWrite(trigPin,  LOW);
29  delayMicroseconds(5);
30  digitalWrite(trigPin, HIGH);
31  delayMicroseconds(15);
32  digitalWrite(trigPin, LOW);
33  pinMode(echoPin,INPUT);
34  duration = pulseIn(echoPin,  HIGH);
35  dist = (duration/2)/ 29.1;
36  
37}
38
39void loop(){
40
41
42  for(int i=0; i<=2; i++){
43    measure();
44    aver[i]=dist;
45    delay(10);
46  }
47
48  dist = (aver[0]+aver[1]+[2])/3;
49
50  if(dist<50){
51
52    servo.attach(servoPin);
53    delay(1);
54    servo.write(0);
55    delay(3000);
56    servo.write(150);
57    delay(1000);
58    servo.detach();
59    
60  }
61  Serial.print(dist);
62}
63

#include <Servo.h>

Servo servo;

int trigPin = 5;
int  echoPin = 6;
int servoPin = 7;
long duration, dist, average;
long aver[3];

void  setup(){


  Serial.begin(9600);
  servo.attach(servoPin);
  pinMode(trigPin,  OUTPUT);
  pinMode(echoPin, INPUT);
  servo.write(0);
  delay(100);
  servo.attach();
  

}


void measure(){

  digitalWrite(trigPin,  LOW);
  delayMicroseconds(5);
  digitalWrite(trigPin, HIGH);
  delayMicroseconds(15);
  digitalWrite(trigPin, LOW);
  pinMode(echoPin,INPUT);
  duration = pulseIn(echoPin,  HIGH);
  dist = (duration/2)/ 29.1;
  
}

void loop(){


  for(int i=0; i<=2; i++){
    measure();
    aver[i]=dist;
    delay(10);
  }

  dist = (aver[0]+aver[1]+[2])/3;

  if(dist<50){

    servo.attach(servoPin);
    delay(1);
    servo.write(0);
    delay(3000);
    servo.write(150);
    delay(1000);
    servo.detach();
    
  }
  Serial.print(dist);
}

Downloadable files

Power Supply

Here is the power supply system.

Power Supply

Here is the power supply system.

Power Supply

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