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Use a windows or linux machine and just compile cpuminer, and cgminer from the github source:  https://github.com/gridseed/usb-miner . They fixed the power draw issues with this cpuminer source, so if you only intend to scrypt mine this uses the correct amount of power now.  Screw the hole controller all together until a future stable release.  I am running this from my Pi with no problems so far.