CH9 유수봉 교수의 APP-09

CH9(CSH) ▶ Lab_Speake_1 : 멜로디

 

TinkerCad

 

아두이노

 

영상

https://youtu.be/GyIBFfZONqc?si=UM05R2qCNgrT7Cwp

코드

#define C 262 // 도

#define D 294 // 레

#define E 330 // 미

#define F 349 // 파

#define G 392 // 솔

#define A 440 // 라

#define B 494 // 시

#define X 0 // 쉼

int piezoPin = 2;

int tempo = 200;

int notes[30] = { C,E,G,C,E,G,A,A,A,G,X,X,F,F,F,E,E,E,D,D,D,C,X,X,X  };

void setup() {

  pinMode (piezoPin, OUTPUT);

}

void loop() {

  for (int i = 0; i < 30; i++) {

    tone (piezoPin, notes[ i ], tempo);

    delay (300);

  }

  delay(100); // 멜로디 중간에 짧게 멈추는 용도

}

 

 

Lab_Speake_2 : 거리 감지 경고발생기

 

tinkercad

 

아두이노 

 

영상

https://youtu.be/K39daAsyrvs?si=CjnpzNhQHDnKxvP1

코드

#define C 262 // 도

#define D 294 // 레

#define E 330 // 미

#define F 349 // 파

#define G 392 // 솔

#define A 440 // 라

#define B 494 // 시

#define B5 524 // 시

#define X 0 // 쉼

const int buzzerPin = 13;

const int trigPin = 12;

const int echoPin = 11;

 

int read_distance(void)  

{

    long duration;

    int distance;

    digitalWrite(trigPin, LOW);

   

    delayMicroseconds(5);

    // Trigger the sensor by setting the trigPin high for 10 microseconds:

    digitalWrite(trigPin, HIGH);

   

    delayMicroseconds(10);

    digitalWrite(trigPin, LOW);

   

    // Read the echoPin, pulseIn() returns the duration (length of the pulse) in microseconds:

    duration = pulseIn(echoPin, HIGH);

    // Calculate the distance:

    distance = duration * 0.034 / 2;

    return distance;  

}

void setup()

{

    Serial.begin(9600);

    pinMode(echoPin, INPUT);

    pinMode(trigPin, OUTPUT);

    pinMode(buzzerPin, OUTPUT);

  for(int N=2; N<10; N++) {

    pinMode(N, OUTPUT);

  }

}

void loop()

{

    int distance;

    distance = read_distance();

 

  if((distance/10)<5) {  

    tone (buzzerPin, D, 50); }

  else {

    digitalWrite(buzzerPin, LOW); }

 

  if ((distance/10)>1) {

    digitalWrite(2, HIGH); }

  else {

    digitalWrite(2, LOW); }

  if ((distance/10)>3) {

    digitalWrite(3, HIGH); }

  else {

    digitalWrite(3, LOW); }

  if ((distance/10)>5) {

    digitalWrite(4, HIGH); }

  else { digitalWrite(4, LOW); }

  if ((distance/10)>7) {

    digitalWrite(5, HIGH); }

  else {

    digitalWrite(5, LOW); }

  if ((distance/10)>9) {

    digitalWrite(6, HIGH); }

  else

  { digitalWrite(6, LOW); }

  if ((distance/10)>11) {

    digitalWrite(7, HIGH); }

  else {

    digitalWrite(7, LOW); }

  if ((distance/10)>13) {

    digitalWrite(8, HIGH); }

  else {

    digitalWrite(8, LOW); }

  if ((distance/10)>15) {

    digitalWrite(9, HIGH); }

  else {

    digitalWrite(9, LOW); }

  if ((distance/10)>17) {

    digitalWrite(10, HIGH); }

  else {

    digitalWrite(10, LOW); }

 

    Serial.println(distance);

    //Serial.println("cm");

    //Serial.println();

    delay(100);

}

 

 

블루투스 연결

 

느낀점: 스피커가 너무 재밌었다!