Điều khiển Led RGB

4 Display colors with RGB LED

1. int led = 13;
2. int led1 = 12;
3. int led2 = 11;
4. // the setup routine runs once when you press reset:
5. void setup() {
6. // initialize the digital pin as an output.
7. pinMode(led, OUTPUT);
8. pinMode(led1, OUTPUT);
9. pinMode(led2, OUTPUT);
10. }
11.  
12. void loop() {
13. digitalWrite(led2, HIGH);
14. digitalWrite(led1, HIGH);
15. digitalWrite(led, HIGH);
16. delay(500);
17. digitalWrite(led, LOW);
18. digitalWrite(led1, HIGH);
19. delay(500);
20. digitalWrite(led1, LOW);
21. digitalWrite(led2, HIGH);
22. delay(500);
23. digitalWrite(led2 , LOW);
24. delay(500);

NOTE : NIẾU BẠN MUỐN SÁNG CÁC MÀU KHÁC NHAU : 

analogWrite(11,i);

analogWrite(12,i);

analogWrite(13,i);

Trong đó i là giá trị bạn muốn gắn.