Today I went to the laboratory to reconstruct my circuit. But the result is same.
Then I try to change using the LED's trainer. But I don't know why just red LED is on.
I try again and I saw the 1st green LED is on, followed with 2nd green LED and yellow LED. Then there was smoke at the yellow LED. That's mean the LED is burned and same goes to both green LED.
Luckily the LED's trainer did not affect anything. Pheuw~
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