How exactly have you wired it up? Which wiring diagram? What voltage did you power the IMU board from? Which IMU board of the 3 did you use? Did the wiring diagram say "Arduino Leonardo"?
How exactly have you wired it up? Which wiring diagram? What voltage did you power the IMU board from? Which IMU board of the 3 did you use? Did the wiring diagram say "Arduino Leonardo"?