#include <Servo.h>

Servo servodry; // create servo object to control a servo for dry waste container

Servo servowet; // create servo object to control a servo for wet waste container

Servo servomet; // create servo object to control a servo for metal waste container

int val;

int sensor_pin = ; //pin declaration

void setup() {

pinMode(led_pin, OUTPUT);

pinMode(sensor_pin, INPUT);

servodry.attach(*pin*); // attaches the servodry on pin *pin* to the servo object

servowet.attach(*pin*); // attaches the servowet on pin *pin* to the servo object

servomet.attach(*pin*); // attaches the servomet on pin *pin* to the servo object

}

void loop() {

val = map(val, 0, 1023, 0, 180);

if(digitalRead(sensor_pin) == HIGH){

for(val=0; val<=90; val++)//this is to open lid of container of wet waste (i dont know your hardware settings so change according to it) val is in terms of angle

{

servowet.write(val);// sets the servo position according to the scaled value

}

delay(3000);

for( ;val>=0;val--) //this is to close lid of container of wet waste (i dont know your hardware settings so change according to it) val is in terms of angle

{

servowet.write(val);// sets the servo position according to the scaled value

}

}

else {

for(val=0; val<=90; val++) //this is to open lid of container of dry waste (i dont know your hardware settings so change according to it) val is in terms of angle

{

servodry.write(val);// sets the servo position according to the scaled value

}

delay(3000);

for( ;val>=0;val--) //this is to close lid of container of dry waste (i dont know your hardware settings so change according to it) val is in terms of angle

{

servowet.write(val);// sets the servo position according to the scaled value

}

}

}