Smart Mask

This is a project that goes on your mask and makes it smart helping you maintain your sanity and social distancing suggested by the guidline

Oct 23, 2020

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environmental sensing

human welfare

health

Components and supplies

Arduino UNO

Buzzer

Ultrasonic Sensor - HC-SR04 (Generic)

Alphanumeric LCD, 16 x 2

Project description

Code

Smart Mask

arduino

This is a very special circuit built for a mask (preferably a N95) that transforms an ordinary mask to a smart mask which will help you maintain your sanitation and also the social distancing as per the guidelines.

1#include <LiquidCrystal.h>
2int sensorvalue = 0;
3LiquidCrystal lcd(7,
4  6, 5, 4, 3, 2);
5
6long readUltrasonicDistance(int triggerPin, int echoPin)
7{
8	pinMode(triggerPin,
9  OUTPUT); // Clear the trigger
10	digitalWrite(triggerPin, LOW);
11	delayMicroseconds(2);
12	//
13  Sets the trigger pin to HIGH state for 10 microseconds
14	digitalWrite(triggerPin,
15  HIGH);
16	delayMicroseconds(10);
17	digitalWrite(triggerPin, LOW);
18	pinMode(echoPin,
19  INPUT);
20	// Reads the echo pin, and returns the sound wave travel time in microseconds
21	return
22  pulseIn(echoPin, HIGH);
23}
24
25void setup()
26{
27	Serial.begin(9600);
28
29  	lcd.begin(16,2);
30  	lcd.setCursor(3,0);
31  	lcd.print("Smart Mask");
32
33  	delay(3000);
34  	lcd.clear();
35  pinMode(11, OUTPUT);
36}
37
38void
39  loop()
40{
41	sensorvalue = 0.01723 * readUltrasonicDistance(13, 12);
42	Serial.println(sensorvalue);
43
44  	lcd.setCursor(0,0);
45  	lcd.print(sensorvalue);
46  	lcd.print(" cm");
47	delay(500);
48  // Wait for 500 millisecond(s)
49	if (sensorvalue >= 200){
50		digitalWrite(11,
51  LOW);
52      	lcd.clear();
53      	lcd.setCursor(0,1);
54      	lcd.print("You're
55  Safe");
56      digitalWrite(13, LOW);
57	}
58	if (sensorvalue < 200) {
59		digitalWrite(11,
60  HIGH);
61      	lcd.clear();
62      	lcd.setCursor(0,1);
63      	lcd.print("Move
64  back!!");
65      digitalWrite(13, HIGH);
66	}
67}

#include <LiquidCrystal.h>
int sensorvalue = 0;
LiquidCrystal lcd(7,
  6, 5, 4, 3, 2);

long readUltrasonicDistance(int triggerPin, int echoPin)
{
	pinMode(triggerPin,
  OUTPUT); // Clear the trigger
	digitalWrite(triggerPin, LOW);
	delayMicroseconds(2);
	//
  Sets the trigger pin to HIGH state for 10 microseconds
	digitalWrite(triggerPin,
  HIGH);
	delayMicroseconds(10);
	digitalWrite(triggerPin, LOW);
	pinMode(echoPin,
  INPUT);
	// Reads the echo pin, and returns the sound wave travel time in microseconds
	return
  pulseIn(echoPin, HIGH);
}

void setup()
{
	Serial.begin(9600);

  	lcd.begin(16,2);
  	lcd.setCursor(3,0);
  	lcd.print("Smart Mask");

  	delay(3000);
  	lcd.clear();
  pinMode(11, OUTPUT);
}

void
  loop()
{
	sensorvalue = 0.01723 * readUltrasonicDistance(13, 12);
	Serial.println(sensorvalue);

  	lcd.setCursor(0,0);
  	lcd.print(sensorvalue);
  	lcd.print(" cm");
	delay(500);
  // Wait for 500 millisecond(s)
	if (sensorvalue >= 200){
		digitalWrite(11,
  LOW);
      	lcd.clear();
      	lcd.setCursor(0,1);
      	lcd.print("You're
  Safe");
      digitalWrite(13, LOW);
	}
	if (sensorvalue < 200) {
		digitalWrite(11,
  HIGH);
      	lcd.clear();
      	lcd.setCursor(0,1);
      	lcd.print("Move
  back!!");
      digitalWrite(13, HIGH);
	}
}

Downloadable files

Smart Mask

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