It was cold and quiet deep into the night. Suddenly, the door knob turns, the locks click - the door slowly creaks open. Everything was silent, until an alarm suddenly blared. Unbeknownst to the person behind that door, what detected the movement was not a camera, nor a motion sensor, but a tiny component hidden in the door frame - a reed switch. Let’s take a closer look at the small magnetic wonder that quietly keeps watch in this week’s Wisdom Wednesday! A reed switch is a small electrical com
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It was cold and quiet deep into the night. Suddenly, the door knob tur…
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