Smartphones rely on multiple sensors—such as the accelerometer, gyroscope, compass, and proximity sensor—to power everyday features. From screen rotation and navigation apps to motion tracking and ...
A new device fingerprinting technique can track Android and iOS devices across the Internet by using factory-set sensor calibration details that any app or website can obtain without special ...
Over time, the performance of optical isolators or sensors can degrade. But a simple auto-calibration circuit will account for changes in LED and sensor characteristics to keep optical devices running ...
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