iPhone 倒是有個指南針可以用

來源: 於 2026-03-16 18:38:22 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次
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How to Use the iPhone's Compass and Level
The iPhone compass works via an internal magnetometersensor that measures the strength and direction of Earth's magnetic field, allowing it to determine magnetic north. Combined with GPS and the accelerometer, it maps this data to show cardinal directions and location data