piusha ariyarathna

  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...

                          Smart light system    Diagram - Code- char p ; #include <IRremote.h> IRrecv Piusha ( A1 ); decode_results results ; void setup () { Piusha . enableIRIn (); pinMode ( 9 , OUTPUT ); Serial . begin ( 9600 ); } void loop () { if ( Piusha . decode ( & results )) { Serial . println ( results . value , DEC ); Piusha . resume (); } delay ( 100 ); long val = results . value ; if ( val == 16769310 ) { digitalWrite ( 9 , HIGH ); delay ( 500 ); } if ( val == 16736670 ) { digitalWrite ( 9 , LOW ); delay ( 500 ); } if ( Serial . available ()){ p = Serial . read (); Serial . println ( p ); } if ( p == '1' ){ digitalWrite ( 9 , HIGH ); } else if ( p == '2' ){ digitalWrite ( 9 , LOW ); } ...

         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); }

     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); }