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ไฟกระพริบ

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Feb 19th, 2020
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  1. int led1 = 2; // กำหนดขาใช้งาน
  2. int led2 = 3;
  3. int led3 = 4;
  4. int led4 = 5;
  5. void setup()
  6. {
  7. pinMode(led1, OUTPUT); // กำหนดขาทำหน้าที่ OUTPUT
  8. pinMode(led2, OUTPUT);
  9. pinMode(led3, OUTPUT);
  10. pinMode(led4, OUTPUT);
  11. }
  12. void loop()
  13. {
  14. digitalWrite(led1,HIGH); // ไฟ LED 1 ติด 500 ms
  15. delay(500);
  16. digitalWrite(led1,LOW); // ไฟ LED 1 ดับ500 ms
  17. delay(500);
  18. digitalWrite(led2,HIGH);
  19. delay(500);
  20. digitalWrite(led2,LOW);
  21. delay(500);
  22. digitalWrite(led3,HIGH);
  23. delay(500);
  24. digitalWrite(led3,LOW);
  25. delay(500);
  26. digitalWrite(led4,HIGH);
  27. delay(500);
  28. digitalWrite(led4,LOW);
  29. delay(500);
  30. }
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