arduino点亮交通灯

[梨花落-]

int leddelay = 10000; int redpin = 10; int yellowpin = 9; int greenpin = 8; void setup() {   pinMode(redpin,OUTPUT);   pinMode(yellowpin,OUTPUT);   pinMode(greenpin,OUTPUT);   }   void loop()   {     digitalWrite(redpin,HIGH);     delay(leddelay);     digitalWrite(yellowpin,HIGH);     delay(2000);     digitalWrite(greenpin,HIGH);     digitalWrite(redpin,LOW);     digitalWrite(yellowpin,LOW);     delay(leddelay);     digitalWrite(yellowpin,HIGH);     digitalWrite(greenpin,LOW);     delay(2000);     digitalWrite(yellowpin,LOW);     }