Description
About this item:
The KY-025 is a magnetic sensor module that detects the presence of a magnetic field using a reed switch. The reed switch is an electromechanical device that opens or closes its contacts when exposed to a magnetic field, making this module suitable for proximity detection, automation, security systems, and DIY electronics projects.
Key Features:
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Reed Switch (Glass Tube): Opens/closes contacts in response to a magnetic field
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LM393 Comparator IC: Converts magnetic signal into a digital output
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Potentiometer: Adjustable sensitivity threshold for digital output
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Power LED: Indicates module power status
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Digital Output LED: Lights up when a magnetic field is detected
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Supporting components: Resistors and capacitors for stable signal conditioning
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