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Spread the love1. Understanding the Compass A compass is a simple yet powerful tool that has been used for centuries to determine direction. At its core, it consists of a magnetized needle that aligns ...

Add Yahoo as a preferred source to see more of our stories on Google. This article explains how to use the iPhone compass and level. Instructions apply to iPhones running iOS 12 and iOS 11 except as ...

Digital sensors are guessing — and they're all interfering with each other.