Sinhala Arduino|Automatic hand Sanitizer

code-

 
#include<Servo.h>

Servo myservo;

#define trigPin 3
#define echoPin 2


void setup() {
Serial.begin(9600);
pinMode( trigPin,OUTPUT);
pinMode( echoPin,INPUT);
myservo.attach(9);
}

void loop() {
 digitalWrite(trigPin,LOW);
 delayMicroseconds(2);
 digitalWrite(trigPin,HIGH);
  delayMicroseconds(10);
  digitalWrite(trigPin,LOW);
 
long p = pulseIn(echoPin,HIGH);

long inches =p / 74 /2;
long cm = p / 29 /2;

if(cm<10){
 
 
myservo.write(90);

}
else {
 myservo.write(0);
 
}
delay(500);
}

Comments

Post a Comment

Popular posts from this blog

Image
  Sinhala Arduino | How to make obstacle avoiding car using arduino & l298n motor driver H-Bridge  Diagram - code- #include <Servo.h>          //Servo motor library. This is standard library #include <NewPing.h>        //Ultrasonic sensor function library. You must install this library //our L298N control pins const int LeftMotorForward = 4; const int LeftMotorBackward = 5; const int RightMotorForward = 6; const int RightMotorBackward = 7; //sensor pins #define trig_pin 2 #define echo_pin 3 #define maximum_distance 200 boolean goesForward = false; int distance = 100; NewPing sonar(trig_pin, echo_pin, maximum_distance); //sensor function Servo servo_motor; //our servo name void setup(){   pinMode(RightMotorForward, OUTPUT);   pinMode(LeftMotorForward, OUTPUT);   pinMode(LeftMotorBackward, OUTPUT);   pinMode(RightMotorBackward, OUTPUT);     servo_motor.a...
Read more
     Sinhala Arduino Tutorial 10|Soil Sensor Module                   1st code-   int soil = A1;   //connect soil to A0 int value= 0; //define value 0 void setup() {  pinMode(soil,INPUT);  Serial.begin(9600); //this is not necessary-but to show value to pc } void loop() {  value = analogRead(soil );  //read value-analog from A0  Serial.println(value);      delay(100); } 2nd code- int soil =A1; int value=0; int led=13; void setup() {  pinMode(soil,INPUT);  pinMode(led,OUTPUT);  Serial.begin(9600); //this is not necessary-but to show value to pc } void loop() {  value = analogRead(soil );  //read value-analog from A0  Serial.println(value);      delay(100);   if(val>340){ digitalWrite(led,HIGH); }  if(val>930){ digitalWrite(led,LOW); } delay(100); }
Read more
Image
Sinhala Arduino Tutorial | How to control rgb led  colors with bluetooth and ir   1) Arduino program - char p; #include <IRremote.h> IRrecv Piusha(A2); decode_results results; #define redPin 6 #define greenPin 3 #define bluePin 5 void setup() {    digitalWrite(6,HIGH);         digitalWrite(3,HIGH);         digitalWrite(5,HIGH);   Serial.begin(9600);   Piusha.enableIRIn();     pinMode(redPin, OUTPUT);   pinMode(greenPin, OUTPUT);   pinMode(bluePin, OUTPUT); } void loop() { if (Piusha.decode(&results)) {     Serial.println(results.value, DEC);     Piusha.resume();   }   delay(100);   long val = results.value;     if (Piusha.decode(&results)) {     Serial.println(results.value, DEC);     Piusha.resume();   }   if (val ==16195807) {     digitalWrite(6,LOW);//red col...
Read more