dustbin.ino

#include <Servo.h>

#define MAX_DISTANCE_RANGE 50

int triger_pin = 2;
int echo_pin = 4;

long prev_duration = 0;
long current_duration = 0;
long distance_cm = 0;
float level_cm = 25;
int angle = 0;
Servo servo,servo_2;
int button_state = 0;
void setup() {
  Serial.begin(9600);
  servo_2.attach(8);
  servo.attach(9);
  servo_2.write(45);
  servo.write(45);
}



void loop() {
  current_duration = get_level();
  distance_cm = get_distance() / 29 / 2;
  level_cm = current_duration / 29 / 2;
  pinMode(12,INPUT);
  button_state = digitalRead(12);
  Serial.println(button_state);
  if ((distance_cm < 5 && level_cm > 10) || button_state == 1) {
    servo.write(140);
    delay(10000);
    servo.write(45);
    delay(1000);
  }
  else {
    if (level_cm > 25) {
      Serial.println(25);
    }else if (level_cm < 10 && distance_cm < 5) {
      servo_2.write(180);
      delay(10000);
      servo_2.write(45);
      Serial.println(0);
     }
    
    else {
      Serial.println(level_cm);
    }
    delay(1000);
  }
}


/**
   it returns the duration after hitting the object
*/
long get_level() {
  long duration;
  pinMode(triger_pin, OUTPUT);
  digitalWrite(triger_pin, LOW);
  delayMicroseconds(2);
  digitalWrite(triger_pin, HIGH);
  delayMicroseconds(10);
  digitalWrite(triger_pin, LOW);
  pinMode(echo_pin, INPUT);
  duration = pulseIn(echo_pin, HIGH);
  delay(15);
  return duration;

}
long get_distance() {
  long duration;
  pinMode(5, OUTPUT);
  digitalWrite(5, LOW);
  delayMicroseconds(2);
  digitalWrite(5, HIGH);
  delayMicroseconds(10);
  digitalWrite(5, LOW);
  pinMode(6, INPUT);
  duration = pulseIn(6, HIGH);
  delay(15);
  return duration;

}