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So the serovs are not functional yet but one is going to be the servo output from the flight controller and the servo for the aeroplanes control surface. The arduino is going to read the data from the flight controller and output to the control surface servo. It is then going to save the servo position data to the SD card. BUT this is not finished once it is I will add it to the instructable.
RC Flight Data Recorder/Bla...View Instructable »