控制板子上自带的小LED亮灭

天の川

1. void setup() {
   
2.   // put your setup code here, to run once:
   
3. pinMode(1,OUTPUT);
   
4. }
   
5. 
   
6. void loop() {
   
7.   // put your main code here, to run repeatedly:
   
8.   digitalWrite(1,HIGH);
   
9.   delay(1000);
   
10.   digitalWrite(1,LOW);
    
11.   delay(1000);
    
12. }

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