Accelerometers are widely used in electronic products such as phones, gaming controllers and cars. Since they are cheap and ultra-low power, in many products they are part of the wake-up circuit. When they sense movement, they turn on the rest of the systems. However, if they are deployed incorrectly, they will cause intermittent problems with your device.
Read more detail at https://www.volersystems.com/blogs/125-how-to-avoid-big-errors-using-accelerometers
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