The flight instrument has been used in an UAVGS project , which can be customized and free to use or modify.
you can use this hue easily by the following 3 steps: step 1: copy the "BLMInstrumentViewController.h" "BLMInstrumentViewController.m" and "InstrumentImg" to your project
step 2: add the import in the controller, where you wan't to use the hue
#import "BLMInstrumentViewController.h"
setp 3: add the following code in the controller, where you wan't to use the hue
BLMInstrumentViewController* hueController = [BLMInstrumentViewController shared];
[hueController.instrumentView setCenter:self.view.center];
[self.view addSubview:hueController.instrumentView];
[hueController setHeight:4.5];
[hueController setSpeed:3];
[hueController setYawAngle:150];
the display effect in a UAVGS project:
