int led=13;
void setup() {
// put your setup code here, to run once:
pinMode(led,OUTPUT);
}
void loop() {
// put your main code here, to run repeatedly:
digitalWrite(led,HIGH);
delay(2000);
digitalWrite(led,LOW);
delay(1000);
}
################
标签：控制,code,led,digitalWrite,学习,delay,run,LED,your From： https://www.cnblogs.com/herd/p/17471772.html