Category: Tech

Inside the Sensor: The Mechanics of Motion Detection

This change in charge distribution creates an electrical signal proportional to the amount and directionality of movement detected by the PIR sensor. The signal generated triggers further electronic circuitry connected to it which can then activate alarms or control other devices accordingly. Another commonly used type of motion detector relies on ultrasonic waves for sensing […]

Finding Quick Solutions for File Explorer Problems in Windows 10

Open Command Prompt as an administrator by right-clicking on the Start button and selecting “Command Prompt (Admin).” Then type “sfc /scannow” without quotes and hit Enter. This command will scan your system files for errors or corruption and attempt to repair them automatically. Another useful technique is running a disk cleanup utility such as Disk […]

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