LED控制

LED亮滅控制

void setup() {

  pinMode(8, OUTPUT);

void loop() {

  digitalWrite(8, HIGH);

  delay(1000);

  digitalWrite(8, LOW);

  delay(1000);

int pinLED = 8;

void setup() {

  pinMode(pinLED, OUTPUT);

void loop() {

  digitalWrite(pinLED, HIGH);

  delay(1000);

  digitalWrite(pinLED, LOW);

  delay(1000);

易錯： ; { } [ ] ( ) 0 O I(i) 1 l(L) 字拼錯

字母大小寫 ==

注意：縮排註解

int pinGLED = 8;

int pinYLED = 9;

int pinRLED = 10;

void setup() {

  pinMode(pinGLED, OUTPUT);

  pinMode(pinYLED, OUTPUT);

  pinMode(pinRLED, OUTPUT);

void loop() {

  digitalWrite(pinGLED, HIGH);

  digitalWrite(pinYLED, LOW);

  digitalWrite(pinRLED, LOW);

  delay(1000);

  digitalWrite(pinGLED, LOW);

  digitalWrite(pinYLED, LOW);

  digitalWrite(pinRLED, LOW);

  delay(1000);

  for (int count = 0; count < 3; count++) {

    digitalWrite(pinGLED, LOW);

    digitalWrite(pinYLED, HIGH);

    digitalWrite(pinRLED, LOW);

    delay(1000);

    digitalWrite(pinGLED, LOW);

    digitalWrite(pinYLED, LOW);

    digitalWrite(pinRLED, LOW);

boolean SwSt = false;

int pinLed = 8;

int pinSw = 9;

void setup() {

  pinMode(pinLed, OUTPUT);

  pinMode(pinSw, INPUT);

  digitalWrite(pinLed, LOW);

void loop() {

  SwSt = digitalRead(pinSw);

  if (SwSt == true) {

    digitalWrite(pinLed, HIGH);

  } else {

    digitalWrite(pinLed, LOW);

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