Stack Exchange network consists of 183 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers.
Just the distance for now! I want this to be a part of an iOS app, and I'm just assuming I can always use location services of the phone for GPS if needed in the future, but I want the distance to be measured specifically from the car (so the app can't get tricked and record distance from being in a different car). I'm just very new to working with RPi/hardware so I'm a bit lost.