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This is really hard core stuff. No where near to a newbie . Trying this kind of stuff requires a professional knowledge in embedded course as well as practical electronics. For a rookie raspberry pi is more than sufficient. By the Way HATS OFF to you. Keep it up.
Just with few hi fi software eui & perfect fitting this can make any of the modern cars such as audi and alike look like nothing.Well using windows if connected to internet etc for further development such as gps , theft protection application & many other applications would make it less protected from viruses & malwares etc. Well u never know what internet can carry with it.