HD POV Clock runs backwards.

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i new arduino , python. found hd pov arduino uno clock project on instructables. http://www.instructables.com/id/hard-disk-clock-hdd-clock-with-arduino-uno/?allsteps
i built clock , every thing runs fine except clock goes backwards. noticed when going video looks hard drive spins counter clockwise , hard drive spins clockwise. thinking in code there somewhere can change direction clock runs. have gone on wiring , seems right. deference using hall effect sensor.  i hope makes since. code written in bosnian , managed translate comments english. if take grateful. posted question on page no answer.

i can post code have or can viewed on link project page.

thanks again,

it easier if posted here.  answer involve changing direction of loop retrieve data display in reverse order.


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