Arduino例程，环境： Arduino学习平台搭建配置方式（一）
const int blueLED = 5;
const int redLED = 6;
const int greenLED = 9;
int delayTime = 1000;
int lightTime = 500;
int brightness = 30;
void setup() {
// put your setup code here, to run once:
pinMode(redLED, OUTPUT);
pinMode(blueLED, OUTPUT);
pinMode(greenLED, OUTPUT);
}
void loop() {
// put your main code here, to run repeatedly:
//蓝色LED 亮灭
digitalWrite(blueLED, HIGH);
delay(lightTime);
digitalWrite(blueLED, LOW);
delay(delayTime);
//红色LED 亮灭
digitalWrite(redLED, HIGH);
delay(lightTime);
digitalWrite(redLED, LOW);
delay(delayTime);
//绿色LED 亮灭
digitalWrite(greenLED, HIGH);
delay(lightTime);
digitalWrite(greenLED, LOW);
delay(delayTime);
//蓝色LED 亮灭
analogWrite(blueLED, brightness);
delay(lightTime);
analogWrite(blueLED, LOW);
delay(delayTime);
//红色LED 亮灭
analogWrite(redLED, brightness);
delay(lightTime);
analogWrite(redLED, LOW);
delay(delayTime);
//绿色LED 亮灭
analogWrite(greenLED, brightness);
delay(lightTime);
analogWrite(greenLED, LOW);
delay(delayTime);
}