Automated Hand Sanitizer

How to make automatic hand sanitizer for home using arduino

Hello guys , welcome to the technical praveen. In this task I had made programmed hand sanitizer utilizing Arduino and Ultrasonic sensor. as we right now we need the sanitizer wherever at home, workplaces, travel vehicles, and so on So I had made a machine like which can consequently sterilize your hand when you put your hand before the machine. As we as a whole know in this outrageous season of Covid-19 it could be helpful for all. which would auto have the option to programmed hand purify till your hand underneath the machine? which can help you with giving the ideal opportunity for hand disinfecting. a critical number of the people also making various endeavors to help in the present condition we did moreover something that can be valuable. I made it with the Arduino, water siphon, and the ultrasonic. there is only 1 sensor that perceives the individual and gives the sanitizer to that person. so this is incredibly basic and simple to make. thusly, when you will start the undertaking you will normally feel how it is straightforward as my more task like a Home robotization and others. As of now, I will give to you how might it work in the accompanying area.

How does it work?

In this section, I will discuss how does the programmed hand sanitizer functions. so you need to place your hand before the sanitizer machine just and the sanitizer machine will give you the sanitizer in your grasp till your hand present at a similar area. there is a ultrasonic sensor in the machine which identifies your essence there. the ultrasonic sensor has two terminal one is a transmitter and another is a recipient. the transmitter sends the ultrasonic waves and the recipient gets the sign when it returns and afterward it will figure the distance of the article by the ultrasonic sensor distance computation equation. at that point the distance ship off the Arduino and there is some information base for examination with the current worth and as per the limit the Arduino will send the order to the water siphon. so on the off chance that there any individual put their hand, at that point the water siphon jumps on and sanitizer delivery to that hand. also, when the individual pulls back their hand the sanitizer will stop.

Material required to make automatic hand sanitizer

• Arduino Uno
• Ultrasonic Sensor
• Water pump 9v
• Battery
• Jumper Wires
• Sanitizer
• Plastic box

Automatic Hand Sanitizer Circuit Diagram

Code for Automatic hand sanitizer:-

int duration_front=0;
long distance_front=0;
void setup() {
// put your setup code here, to run once:

pinMode(2,OUTPUT);
pinMode(3,INPUT);
pinMode(7,OUTPUT);

Serial.begin(9600);
}

void loop() {

digitalWrite(2, HIGH);
delayMicroseconds(10);
digitalWrite(2, LOW);
delayMicroseconds(2);
duration_front= pulseIn(3,HIGH);
distance_front=duration_front*0.034/2;
Serial.println(distance_front);

if(distance_front<=10)
{

digitalWrite(7,HIGH);

}

else
{
digitalWrite(7,LOW);
}

}