drone GCS api setup based on qt, mqtt and python

I will be using Pixhawk ([login to view URL], [login to view URL], [login to view URL]) open source and want to create API for controls and fusion filters for the said frameworks and to be used with Qt-based GUI. rqt example: [login to view URL] Project budget: 100USD Term: a couple of weeks at most example of api: FC sensors, GNESS, aux sensors, camera etc.