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/**
 * playing the imperial march with a buzzer. got the tabs from here: https://gist.github.com/tagliati/1804108
 * 
 */

#include "pitches.h"

int PIN_BUZZER = 9;

// eH -> NOTE_E5 

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int PIN_BUZZER = 9;

void setup() {
  Serial.begin(9600);
  pinMode(PIN_BUZZER, OUTPUT);
}

void loop() {
  analogWrite(PIN_BUZZER, 255);
  delay(1);

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int PIN_LED = 9;
int PIN_INPUT = 2;
int pirState = 0;

void setup() {
  Serial.begin(9600);
  pinMode(PIN_LED, OUTPUT);
  pinMode(PIN_INPUT, INPUT);
}

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int PIN_LED = 9;
int brightness = 0;
int fadeAmount = 5;

void setup() {
  pinMode(PIN_LED, OUTPUT);
  Serial.begin(9600);
}

void loop() {

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

void loop() {
  int sensorValue = analogRead(A0);
  Serial.println(sensorValue);
  delay(1);
}

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int PIN_LED = 13;
int PIN_PUSH_BUTTON = 2;

void setup() {
  Serial.begin(9600);
  pinMode(PIN_PUSH_BUTTON, INPUT);
}

void loop() {
  int buttonState = digitalRead(PIN_PUSH_BUTTON);

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int PIN_LED = 13;
int pin_state = 0;

void setup() {
  // put your setup code here, to run once:

}

void loop() {
  pin_state = (pin_state + 1) % 2;

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int ledPin = 13;                // LED 
int pirPin = 2;                 // PIR Out pin 
int pirStat = 0;                   // PIR status
void setup() {
 pinMode(ledPin, OUTPUT);     
 pinMode(pirPin, INPUT);     
 Serial.begin(9600);
}
void loop(){
 pirStat = digitalRead(pirPin); 

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/*
 * created by Rui Santos, https://randomnerdtutorials.com
 * 
 * Complete Guide for Ultrasonic Sensor HC-SR04
 *
    Ultrasonic sensor Pins:
        VCC: +5VDC
        Trig : Trigger (INPUT) - Pin11
        Echo: Echo (OUTPUT) - Pin 12
        GND: GND

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const int pwm = 3 ;  //initializing pin 2 as pwm
const int in_1 = 8 ;
const int in_2 = 9 ;

//For providing logic to L298 IC to choose the direction of the DC motor 

void setup()
{
pinMode(pwm,OUTPUT) ;   //we have to set PWM pin as output
pinMode(in_1,OUTPUT) ;  //Logic pins are also set as output