Day2 03_sensor_led

• 센서의 값을 받아와서 범위에 따라 led 점등

const int analogPin = A0;

const int ledPin[6] = {3,5,6,9,10,11};

void setup() {

  // put your setup code here, to run once:

  Serial.begin(9600);

}

void loop() {

  // put your main code here, to run repeatedly:

  int sensorInput = analogRead(analogPin);

  // Serial.println(sensorInput);

  int level = map(sensorInput, 0, 1023, 0, 6);

  for(int i=0; i<6; i++) {

    if (i < level) {

      analogWrite(ledPin[i], 255);

    } else {

      analogWrite(ledPin[i], 0);

    }

  }

}기

 

• 밝기

const int analogPin = A0;

const int ledPin[6] = { 3, 5, 6, 9, 10, 11 };

void setup() {

  // put your setup code here, to run once:

  Serial.begin(9600);

  for(int i=0;i<6;i++){

    pinMode(ledPin[i], OUTPUT);

  }

}

void loop() {

  // put your main code here, to run repeatedly:

  int sensorInput = analogRead(analogPin);

  // Serial.println(sensorInput);

  int bright = map(sensorInput, 0, 1023, 0, 255);

  for (int i = 0; i < 6; i++) {

    analogWrite(ledPin[i], bright);

  }

}