4 pcs Reed Sensor Magnetic Switch Module DIY Kit Normally Open Magnetic Proximity Sensor for Electronics Projects

Enhance your electronic projects with this high-quality Normally Open Reed Module featuring an imported reed switch and a reliable LM393 wide voltage comparator. Designed for precise magnetic detection, this module provides clean digital switching output signals (0 and 1) with excellent waveform quality and strong driving capability exceeding 15mA. Its compact PCB design (3.2cm x 1.4cm) and fixed bolt hole enable easy installation in various applications. Key Features: · Imported Normally Open Reed Switch: Delivers accurate magnetic field detection with a sensitive dry reed contact that activates within a 1.5 cm sensing range. · Clean Digital Switching Output: Utilizes a wide voltage comparator LM393 to produce stable and noise-free digital signals, ideal for microcontroller interfacing. · Strong Driving Capability: Capable of driving loads above 15mA, ensuring reliable performance in circuit control and signal processing. · Compact and Easy Installation: Small PCB size of 3.2 x 1.4 cm with a fixed mounting bolt hole allows quick and secure setup in tight spaces. · Wide Operating Voltage: Supports a working voltage range of 3.3V to 5V, compatible with most microcontrollers and electronic systems. · Versatile Applications: Perfect for use in door and window magnetic sensors, communication devices, security systems, home appliances such as washing machines and refrigerators, cameras, electromagnetic relays, electronic weighing apparatus, level meters, gas and water meters, and more. Specifications: · Working Voltage: 3.3V–5V · Type: Normally Open Reed Switch · Comparator: LM393 Wide Voltage Comparator · Output Type: Digital Switching Output (0 and 1) · PCB Board Size: 3.2 x 1.4 cm (1.3 x 0.6 in) · Weight: Approx. 13g (0.5 oz) Module Usage: This module’s dry reed switch requires a magnetic field to activate, outputting a low-level signal when magnetically triggered and a high-level signal when not triggered. The output can be directly connected to microcontroller I/O ports for real-time magnetic state detection or linked to relay inputs to control high-power circuits, enabling versatile applications in both low and high voltage environments. Package Includes: · 4 x Normally Open Reed Modules This Normally Open Reed Module offers reliable, sensitive magnetic switching with easy integration and stable digital outputs, making it an essential component for various sensor, security, and control systems.