Sanitizer Auto Pumping Machine

Turn all pumping containers into non-contact as well as hand sanitizers using only Arduino and servo motors

Sep 13, 2020

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9965 views

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4 respects

home automation

covid-19

Devices & Components

Arduino Uno Rev3

Capacitor 1000 µF

MG996 servo motor

Ultrasonic Sensor - HC-SR04 (Generic)

Male/Male Jumper Wires

Male/Female Jumper Wires

Hardware & Tools

3D Printer (generic)

Laser cutter (generic)

Software & Tools

Arduino IDE

Project description

Code

c_cpp

1/*
2echo = 3
3trig = 4
4servo = 5
5*/
6
7#include  <Servo.h>
8Servo   myservo;
9
10int first_angle = 100; //you can change the value.
11int second_angle   = 50; //you can change the value.
12int detection_distance = 20; //(cm)you can   change the value.
13
14int sw = 12; //Switch
15int echoPin = 3; //ultrasonic   sensor echoPIN
16int trigPin = 4; //ultrasonic sensor trigPIN
17
18void setup()   {
19  myservo.attach(5);
20  myservo.write(first_angle);
21  pinMode(sw, INPUT_PULLUP);
22   pinMode(trigPin, OUTPUT);
23  pinMode(echoPin, INPUT);
24}
25
26void loop(){
27   digitalWrite(trigPin, LOW);
28  digitalWrite(echoPin, LOW);
29  delayMicroseconds(2);
30   digitalWrite(trigPin, HIGH);
31  delayMicroseconds(10);
32  digitalWrite(trigPin,   LOW);
33
34  unsigned long duration = pulseIn(echoPin, HIGH);
35  float distance   = duration / 29.0 / 2.0;
36
37  if (digitalRead(sw) == LOW){
38   if (distance   <= detection_distance){
39      myservo.write(second_angle);
40      delay(400);
41       myservo.write(first_angle);
42      delay(800);
43    }
44  }
45  else{
46     myservo.write(first_angle);
47  }
48}

/*
echo = 3
trig = 4
servo = 5
*/

#include  <Servo.h>
Servo   myservo;

int first_angle = 100; //you can change the value.
int second_angle   = 50; //you can change the value.
int detection_distance = 20; //(cm)you can   change the value.

int sw = 12; //Switch
int echoPin = 3; //ultrasonic   sensor echoPIN
int trigPin = 4; //ultrasonic sensor trigPIN

void setup()   {
  myservo.attach(5);
  myservo.write(first_angle);
  pinMode(sw, INPUT_PULLUP);
   pinMode(trigPin, OUTPUT);
  pinMode(echoPin, INPUT);
}

void loop(){
   digitalWrite(trigPin, LOW);
  digitalWrite(echoPin, LOW);
  delayMicroseconds(2);
   digitalWrite(trigPin, HIGH);
  delayMicroseconds(10);
  digitalWrite(trigPin,   LOW);

  unsigned long duration = pulseIn(echoPin, HIGH);
  float distance   = duration / 29.0 / 2.0;

  if (digitalRead(sw) == LOW){
   if (distance   <= detection_distance){
      myservo.write(second_angle);
      delay(400);
       myservo.write(first_angle);
      delay(800);
    }
  }
  else{
     myservo.write(first_angle);
  }
}

Code

c_cpp

1/*
2echo = 3
3trig = 4
4servo = 5
5*/
6
7#include  <Servo.h>
8Servo  myservo;
9
10int first_angle = 100; //you can change the value.
11int second_angle  = 50; //you can change the value.
12int detection_distance = 20; //(cm)you can  change the value.
13
14int sw = 12; //Switch
15int echoPin = 3; //ultrasonic  sensor echoPIN
16int trigPin = 4; //ultrasonic sensor trigPIN
17
18void setup()  {
19  myservo.attach(5);
20  myservo.write(first_angle);
21  pinMode(sw, INPUT_PULLUP);
22  pinMode(trigPin, OUTPUT);
23  pinMode(echoPin, INPUT);
24}
25
26void loop(){
27  digitalWrite(trigPin, LOW);
28  digitalWrite(echoPin, LOW);
29  delayMicroseconds(2);
30  digitalWrite(trigPin, HIGH);
31  delayMicroseconds(10);
32  digitalWrite(trigPin,  LOW);
33
34  unsigned long duration = pulseIn(echoPin, HIGH);
35  float distance  = duration / 29.0 / 2.0;
36
37  if (digitalRead(sw) == LOW){
38   if (distance  <= detection_distance){
39      myservo.write(second_angle);
40      delay(400);
41      myservo.write(first_angle);
42      delay(800);
43    }
44  }
45  else{
46    myservo.write(first_angle);
47  }
48}

/*
echo = 3
trig = 4
servo = 5
*/

#include  <Servo.h>
Servo  myservo;

int first_angle = 100; //you can change the value.
int second_angle  = 50; //you can change the value.
int detection_distance = 20; //(cm)you can  change the value.

int sw = 12; //Switch
int echoPin = 3; //ultrasonic  sensor echoPIN
int trigPin = 4; //ultrasonic sensor trigPIN

void setup()  {
  myservo.attach(5);
  myservo.write(first_angle);
  pinMode(sw, INPUT_PULLUP);
  pinMode(trigPin, OUTPUT);
  pinMode(echoPin, INPUT);
}

void loop(){
  digitalWrite(trigPin, LOW);
  digitalWrite(echoPin, LOW);
  delayMicroseconds(2);
  digitalWrite(trigPin, HIGH);
  delayMicroseconds(10);
  digitalWrite(trigPin,  LOW);

  unsigned long duration = pulseIn(echoPin, HIGH);
  float distance  = duration / 29.0 / 2.0;

  if (digitalRead(sw) == LOW){
   if (distance  <= detection_distance){
      myservo.write(second_angle);
      delay(400);
      myservo.write(first_angle);
      delay(800);
    }
  }
  else{
    myservo.write(first_angle);
  }
}

Downloadable files

Circuit

Documentation

STL FILE

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