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Sensor-Arduino Mini Reed
SKU: ARD-0012-G01
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Availability: In Stock (11 on hand)
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Short Description
The KY-021 Mini Reed Switch Sensor Module is a small magnetic switch module intended for Arduino and other microcontroller projects.
It employs a reed switch that changes state when a magnetic field is brought near it.
The module is frequently used to detect door or window openings, magnetic proximity, position, and movement.
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Specifications:
Product Type: Mini Reed Switch Sensor Module.
Sensor Type: Magnetic Reed Switch.
Switch Type: Normally Open (NO).
Output Type: Digital.
Operating Principle: Magnetic field activated mechanical switch.
Operating Voltage: 3.3–5 V DC.
Interface: VCC / GND / Signal.
Number of Pins: 3.
Switch State: Open when no magnetic field is present; closes when a suitable magnet is detected.
Detection Method: Magnetic proximity.
Module Type: PCB Sensor Module.
Compatible Platforms: Arduino, ESP32, ESP8266, Raspberry Pi, STM32 and other microcontroller platforms.
Applications: Door and window sensors, magnetic proximity detection, position sensing, limit detection, security systems, robotics, automation, Arduino projects and DIY electronics.