Why does my phone gps know which way I’m facing when driving, but when walking it always thinks I’m walking backwards?
In: Technology
GPS doesn’t have any sense of direction in it. However, your phone does have a gyroscope that can be used to keep track of what direction it’s facing. That gyroscope gets calibrated via GPS, since it can track what direction it is moving based on changes in GPS, and it can use that to calibrate what direction the gyroscope is pointing at.
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