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Mini Magnetic Reed Module

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$0.51 $0.82 In stock

Category: Sensors

This is a very simple module that contains a magnetic reed switch which will close its contacts when a magnet is placed nearby. The digital output pin will go high (+5V) when a magnetic field is in proximity. An on-board LE...

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Customer Reviews (5.0 / 5 · 5 reviews)

Daniel J. ★★★★★

This little module made adding a magnetic switch to my DIY alarm project dead simple. The digital output goes cleanly high when a magnet gets near, so I could wire it straight to an Arduino pin without any extra components.

Violet P. ★★★★★

I swapped out a broken garage sensor with this module and it triggered instantly when I brought a magnet near—exactly what I needed. The digital output pin going high at 5V made the wiring a breeze for my Arduino project.

Joseph E. ★★★★★

Works perfectly for detecting when my garage door is fully closed—just glued a small magnet to the door and the reed switch triggers every time. The digital output is clean and consistent at 5V, which made it easy to integrate with my existing microcontroller setup.

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