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PN532 NFC RFID module
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GHS 65GHS 55
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modules10 in stock
KY-025 Reed Switch Module – Magnetic Contact Sensor for Arduino
GHS 22GHS 16
Description
KY-025 reed switch module designed to detect magnetic fields using a sealed reed contact.
Provides a digital output when a magnet is brought near, making it ideal for contactless switching and position detection.
Includes an onboard potentiometer to adjust sensitivity and a comparator for stable signal output.
Compatible with Arduino, ESP32, and other microcontrollers, suitable for door sensors, security systems, and automation projects.
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