[简答题]呼吸灯,书57页

参考答案://呼吸灯效果
Int led = 13;
Void setup() {
}
Void loop() {
For(int fadeValue = 0;fadeValue <= 255;fadeValue+=5){
AnalogWrite(led,fadeValue);
Delay(30);
}
For(int fadeValue = 255;fadeValue >= 0;fadeValue-=5){
AnalogWrite(led,fadeValue);
Delay(30);
}
}