i created a program to just check the pin 8 gets a i/p so that the pin 9 will give some output...unfortunately even without the i/p its showing o/p...subsequently i found that wen we shake the uno its giving output!:(....so wat ds that show?

malfunctioning....

HazardsMind January 8, 2013, 5:14pm 2

Bad wire connection, or a bad cold solder somewhere.

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