value ca be between 0x00 and 0xFF:
            value is a multiplied with 0.784 degrees/s except for:
            0   --> 1 degrees/s
            255 --> jumps to 400 degrees/s

def set_rotation_rate(self, val):
        """value ca be between 0x00 and 0xFF:
            value is a multiplied with 0.784 degrees/s except for:
            0   --> 1 degrees/s
            255 --> jumps to 400 degrees/s
        """
        return self.write(request.SetRotationRate(self.seq, val))