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Hi DatDinh,
What do you have on each pin (pin 2 in the pictures you included in your post)?
Is there any reason for using INPUT_PULLUP instead of INPUT?
Fernando.
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Hi FGT.
I also tried to test on pin 2 with mode INPUT but It also didn't work. However when I run mode OUTPUT, it worked. As well as with the other pins 0, 1, 3, 10, 11, 12, 13. I use pin 2 because I want to use external interrupt to share data between arduino IDE with node js on Intel Galielo. But the interrupt didn't work because data read from pin 2 is wrong when I push button and don't push , it forever is Zero .
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I see...
Please post your wiring as well as the button model/hardware, with a picture, if possible.
Also, take into account that there are other methods to share information, e.g. pipes.
Fernando.
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Hi FGT.
Thanks for your help. The truth my kit is IO error(pin 0, 1, 2, 3). I tried it with the other and the result is good.
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Is your issue resolved? If you believe some IO pins are not working as they should you can fill this form here so we can take a closer look to your case https://customercare.intel.com/?lang=en-US https://customercare.intel.com/?lang=en-US
-Sergio

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