Arduino Trash Separation Project: A Smart Solution for Waste Management

[indico774]

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[indico774]

/// include library

#include <Servo.h> ///servo motor library

// Pin Definitions

//plastic bin pin definitions
#define redpin 5
#define bluepin 6
#define greenpin 7
#define plasticsensor A0
#define metalsensor A1
#define IR_plastic A3

//metal bin pin definitions
#define redpin_M 8
#define bluepin_M 9
#define greenpin_M 10
#define metalsensor_M A2
#define IR_metal A3

Servo myservo; // create servo object to control a servo on plastic bin
Servo myservo_M; // create servo object to control a servo on metal bin

int pos = 165; // deafult servo position of plastic bin
int pos_M = 158; // deafult servo position of metal bin

void setup() {

myservo.attach(11); // attaches the plastic bin servo on pin 11 to the servo object
myservo_M.attach(12); // attaches the metal bin servo on pin 12 to the servo object
//RGB LED on plastic bin
pinMode(redpin,OUTPUT);
pinMode(bluepin,OUTPUT);
pinMode(greenpin,OUTPUT);
//RGB LED on metal bin
pinMode(redpin_M,OUTPUT);
pinMode(bluepin_M,OUTPUT);
pinMode(greenpin_M,OUTPUT);
//Create sensor values in pull up condition
pinMode(plasticsensor,INPUT_PULLUP);
pinMode(metalsensor,INPUT_PULLUP);
pinMode(metalsensor_M,INPUT_PULLUP);
//Activate IR sensor
pinMode(IR_plastic,INPUT);
pinMode(IR_metal,INPUT);
//start serial monitor
Serial.begin(9600);
//Set RGB LED on deafult vaues (white)
analogWrite(redpin,255);
analogWrite(bluepin,255);
analogWrite(greenpin,255);
analogWrite(redpin_M,255);
analogWrite(bluepin_M,255);
analogWrite(greenpin_M,255);

}

void loop() {

int sensor_read_plastic=digitalRead(plasticsensor);
int sensor_read_metal=digitalRead(metalsensor);
int sensor_read_metaletal2=digitalRead(metalsensor_M);
int sensor_read_IR_plastic=digitalRead(IR_plastic);
int sensor_read_IR_metal=digitalRead(IR_metal);
Serial.println("plastic sensor");
Serial.println(sensor_read_plastic);
Serial.println("metal sensor");
Serial.println(sensor_read_metal);
Serial.println(sensor_read_metaletal2);

///Check if the trash bin is full

//plastic bin
if(sensor_read_IR_plastic==1){
    analogWrite(redpin,255);
    analogWrite(bluepin,0);
    analogWrite(greenpin,0);
}

//metal bin
if(sensor_read_IR_metal==1){
analogWrite(redpin_M,255);
analogWrite(bluepin_M,0);
analogWrite(greenpin_M,0);
}

//Plastic bin
if((sensor_read_plastic==0)&&(sensor_read_metal!=1)){
    for (pos = 160; pos >= 90; pos -= 1) { // goes from 160 degrees to 0 degrees
        // in steps of 1 degree
        myservo.write(pos); // tell servo to go to position in variable 'pos'
        delay(1); // waits 1ms for the servo to reach the position
    }
    analogWrite(redpin,255);
    analogWrite(bluepin,0);
    analogWrite(greenpin,255);
    delay(2500);
    for (pos = 90; pos <= 160; pos += 1) { // goes from 90 degrees to 160 degrees
        myservo.write(pos); // tell servo to go to position in variable 'pos'
        delay(1); // waits 1ms for the servo to reach the position

    }
    analogWrite(redpin,0);
    analogWrite(bluepin,0);
    analogWrite(greenpin,0);


}

else{
    // keep the door close
    myservo.write(pos); 


    analogWrite(redpin,255);
    analogWrite(bluepin,255);
    analogWrite(greenpin,255);

}


//metal bin


if(sensor_read_metaletal2==1){
    for (pos_M = 160; pos_M >= 90; pos_M -= 1) { // goes from 160 degrees to 90 degrees
        // in steps of 1 degree
        myservo_M.write(pos_M); // tell servo to go to position in variable 'pos'
        delay(1); // waits 1ms for the servo to reach the position
    }
    analogWrite(redpin_M,255);
    analogWrite(bluepin_M,0);
    analogWrite(greenpin_M,255);
    delay(2500);
    for (pos_M = 90; pos_M <= 160; pos_M += 1) { // goes from 90 degrees to 160 degrees
        myservo_M.write(pos_M); // tell servo to go to position in variable 'pos'
        delay(1); // waits 1ms for the servo to reach the position

    }
    analogWrite(redpin_M,0);
    analogWrite(bluepin_M,0);
    analogWrite(greenpin_M,0);



}

else{
    // keep the door close
    myservo_M.write(pos_M); 


    analogWrite(redpin_M,255);
    analogWrite(bluepin_M,255);
    analogWrite(greenpin_M,255);

}

}