{"product_id":"mini-reed-switch-module-compact-magnetic-sensor-digital-arduino","title":"Mini Reed Switch Module — Compact Magnetic Sensor, Digital Output, Arduino Compatible","description":"\u003ch2\u003eMini Reed Switch Module — Compact Magnetic Sensor, Digital Output, Arduino Compatible\u003c\/h2\u003e\n\n\u003cp\u003eThis \u003cstrong\u003emini reed switch module\u003c\/strong\u003e is the compact version of the standard reed switch module — same magnetically-actuated non-contact detection in a smaller PCB footprint. When a magnet is brought within range, the reed switch closes and the module outputs a digital signal. The smaller size makes it ideal for space-constrained applications where the standard module is too large. Includes 3-pin header for direct Arduino connection.\u003c\/p\u003e\n\n\u003ch3\u003eModule Specifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSensor Type:\u003c\/strong\u003e Reed switch (magnetically actuated)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOutput:\u003c\/strong\u003e Digital (changes state when magnet is present)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOperating Voltage:\u003c\/strong\u003e 3.3V – 5V DC\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eConnector:\u003c\/strong\u003e 3-pin male header (GND, VCC, Signal)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eForm Factor:\u003c\/strong\u003e Mini (smaller PCB than standard reed switch module)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eMini vs Standard Reed Switch Module\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMini (this listing):\u003c\/strong\u003e Smaller PCB — for space-constrained enclosures and compact projects\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStandard:\u003c\/strong\u003e Larger PCB, may include LED indicator — for general-purpose use\u003c\/li\u003e\n  \u003cli\u003eBoth provide the same digital output and magnetic actuation principle\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTypical Applications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompact door sensor:\u003c\/strong\u003e Detect open\/closed state in small enclosures\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWearable projects:\u003c\/strong\u003e Magnetic clasp detection in wearable electronics\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLiquid level:\u003c\/strong\u003e Float-mounted magnet triggers switch at set level\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRotation counting:\u003c\/strong\u003e Count shaft rotations with magnet attached\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003ePackage Contents\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 × Mini reed switch module with 3-pin header\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eCompact non-contact magnetic detection — mini reed switch module with digital output for space-constrained door sensing, liquid level, and proximity detection projects.\u003c\/p\u003e","brand":"Keszoox","offers":[{"title":"Default Title","offer_id":45681325048043,"sku":"","price":7.37,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/1005\/8731\/files\/Mini-Reed-Switch-Module.jpg?v=1723006040","url":"https:\/\/keszoox.com\/products\/mini-reed-switch-module-compact-magnetic-sensor-digital-arduino","provider":"Keszoox","version":"1.0","type":"link"}