Setting up Pixhawk and Raspberry pi

I am trying to set up my pixhawk and pi , am new in this and good or bad enough am in Africa ,i have a presentation to make next week Friday, can someone please help me via one on one tutoring Or useful link

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I’d suggest starting here: http://ardupilot.org/dev/docs/companion-computers.html
“APSync” and “Maverick” are both targeted at the Pi, and open source.