Robot Trash

A simple robotic trash that will attract you to throw your waste by open its lid and produce sound.

May 21, 2019

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home automation

automatic trash

Devices & Components

Arduino Uno Rev3

SG90 Micro-servo motor

Ceiling Speaker, Two-Way

DFPlayer Mini Mp3 Modul

Ultrasonic Sensor - HC-SR04 (Generic)

Project description

Code

arduino

For this project, we used a simple coding by using Arduino.IDE app.

1#include<Servo.h>
2#include <SoftwareSerial.h>
3#include <DFPlayer_Mini_Mp3.h>
4
5SoftwareSerial  mySerial(10, 11);
6 
7Servo servo;
8int const trigPin = 6;
9int const echoPin  = 5;
10void setup()
11{
12  Serial.begin (9600);
13mySerial.begin (9600);
14mp3_set_serial  (mySerial);
15delay(10);
16pinMode(trigPin, OUTPUT); 
17pinMode(echoPin, INPUT);  
18    servo.attach(3);
19}
20void loop()
21{       int duration, distance;
22digitalWrite(trigPin,  HIGH); 
23delay(1);
24digitalWrite(trigPin, LOW);
25// Measure the pulse input  in echo pin
26duration = pulseIn(echoPin, HIGH);
27// Distance is half the duration  devided by 29.1 (from datasheet)
28distance = (duration/2) / 29.1;
29// if distance  less than 0.5 meter and more than 0 (0 or less means over range) 
30if (distance  <= 20 && distance >= 0) {
31  servo.write(50);
32    delay(3000);
33} else {
34  
35  servo.write(160);
36 void setup () ;
37{ 
38mp3_set_volume (95);
39delay(10);
40mp3_play  ();
41delay(10);
42mp3_play (1);
43delay(10);
44}
45}
46
47// Waiting 60  ms won't hurt any one
48delay(40);
49}
50

#include<Servo.h>
#include <SoftwareSerial.h>
#include <DFPlayer_Mini_Mp3.h>

SoftwareSerial  mySerial(10, 11);
 
Servo servo;
int const trigPin = 6;
int const echoPin  = 5;
void setup()
{
  Serial.begin (9600);
mySerial.begin (9600);
mp3_set_serial  (mySerial);
delay(10);
pinMode(trigPin, OUTPUT); 
pinMode(echoPin, INPUT);  
    servo.attach(3);
}
void loop()
{       int duration, distance;
digitalWrite(trigPin,  HIGH); 
delay(1);
digitalWrite(trigPin, LOW);
// Measure the pulse input  in echo pin
duration = pulseIn(echoPin, HIGH);
// Distance is half the duration  devided by 29.1 (from datasheet)
distance = (duration/2) / 29.1;
// if distance  less than 0.5 meter and more than 0 (0 or less means over range) 
if (distance  <= 20 && distance >= 0) {
  servo.write(50);
    delay(3000);
} else {
  
  servo.write(160);
 void setup () ;
{ 
mp3_set_volume (95);
delay(10);
mp3_play  ();
delay(10);
mp3_play (1);
delay(10);
}
}

// Waiting 60  ms won't hurt any one
delay(40);
}

Downloadable files

SCHEMATIC

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