ForLoop

for 迴圈 (for loop)

pdf

#define LED 11
void setup() {
pinMode(LED,OUTPUT);

for (int   k=0; k<2; k=k+1)
    {
      digitalWrite(LED,HIGH);
      delay(1000);
    digitalWrite(LED,LOW);
      delay(1000);
    }

}
void loop() {
}

pdf

k=0 0<2 對

      digitalWrite(11,HIGH);
      delay(1000);
    digitalWrite(11,LOW);
    delay(1000);

k=1 1<2 對

      digitalWrite(11,HIGH);
      delay(1000);
      digitalWrite(11,LOW);
    delay(1000);

k=2 停止執行 2<2 錯

共執行 2 次

閃100次

#define   LED 11
void setup()
{
    pinMode(LED,OUTPUT);
for (int   k=0; k<100; k=k+1)
    {
      digitalWrite(LED,HIGH);
      delay(1000);
      digitalWrite(LED,LOW);
      delay(1000);
    }
}

void loop()
{

}

k=k+1 可用 K++ 取代