아두이노 삼색led, 도레도레도레도

커리큘럼

1.LED에 불 켜지게 하기

2.버튼 누르면 LED에 불 켜지게 하기

3.삼색 LED

4.거리 측정해서 LED불켜기

5.소리내기

6.조이스틱

- Variable : int x = analogInput()

- If, else if

7.pySerial

 

 

삼색 led

 

코드

#define RED 11
#define GREEN 10
#define BLUE 9

void setup() {
  randomSeed(analogRead(0));

}

void loop() {
  // put your main code here, to run repeatedly:
  analogWrite(RED,random(255));
  analogWrite(GREEN,random(255));
  analogWrite(BLUE,random(255));
  delay(2000);
  
}

 

초음파 센서로 색 바꾸기

void setup() {
  // put your setup code here, to run once:
 
  pinMode(2, OUTPUT);
  pinMode(3, INPUT);
}

void loop() {
  // put your main code here, to run repeatedly:
  analogWrite(11,0);
  analogWrite(10,0);
  analogWrite(9,0);

  digitalWrite(2, HIGH);
  delayMicroseconds(10);
  digitalWrite(2, LOW);

  long duration = pulseIn(3, HIGH);
  if(duration == 0){
    return;
  }
  
  long distance = duration / 58.2;

  if(distance < 10){
    analogWrite(11, 255);
  } else if(distance < 20){
    analogWrite(10, 100);
  }else if(distance < 30){
    analogWrite(9, 10);
  }

  delay(100);
}

 

 

void setup() {
  // put your setup code here, to run once:
  pinMode(7, OUTPUT);

}

void loop() {
  // put your main code here, to run repeatedly:
  tone(7, 523);
  delay(1000);
  tone(7, 587);
  delay(1000);

}

 

사운드 센서

# define SOUND A0
# define BRIGHTNESS 50
int vol = 0;
int count = 0;

void setup() {
  // put your setup code here, to run once:
  Serial.begin(9600);
}

void loop() {
  // put your main code here, to run repeatedly:
  analogWrite(9,0);
  analogWrite(10,0);
  analogWrite(11,0);
  vol = analogRead(A0);

  if(vol > 55 and vol < 65){
    analogWrite(10, BRIGHTNESS);  
  } else if(vol >= 65){
    Serial.print("소리:" );
    Serial.println(vol);
    analogWrite(9, BRIGHTNESS);  
    
  }
  delay(100);

}

 

4열 세그먼트 캐소드

https://kogun.tistory.com/18

아두이노로 FND 4Digit 7세그먼트 표시하기

 

 

pySerial

https://blog.naver.com/PostView.nhn?blogId=dokkosam&logNo=222084480691&from=search&redirect=Log&widgetTypeCall=true&directAccess=false