Hello All, I am new to Arduino. Recently I have bought an Arduino R3 and install all the drivers and IDE as usual. It works fine for a few days and suddently it cannot be detected in Windows XP. It shown "Unknown Device" under the USB interface. I cannot reinstall the drivers, it always said "unkno…

Arduino UNO R3 cannot be detected by Windows XP

system February 5, 2013, 3:07am 2

more info:
When i am connecting the arduino, the LED on pin13 will blink in 3 times an interval.

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