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  1. T

    build. kk2 tricopter i need So, help

    So, I'm building an rcexplorer tricopter, and for a control board, I have purchased a kk2, no point one or mini, thanks to readytoflyquads. I soldered all my little pins and plugged it all in and... im up a river i thought oh it will have an older firmware ill get the usb adaptor and update it...