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kk2.1 board

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    SOLVED - Tricopter servo jitter

    Tricopter & KK2.1 board & Servo Jitter Problem - Tricopters seem to have common problem with KK2.1 board and servo jitter. I just built a FliteTest tricopter with KK2.1 board (flashed up to Steveis v1.9S1), Spektrum-Orange 6 channel RX R615X, Emax ES3154 digital servo, Emax 2213-935kv motors. I...