ALLNET 4duino Reed Switch Module (ALL-4duino-Reed)

The ALLNET 4duino Reed Switch Module (ALL-4duino-Reed) is a magnetic field sensor module designed for Arduino and other microcontroller platforms. It features a normally open (NO) reed switch that closes when exposed to a magnetic field, providing a digital HIGH/LOW output signal. Ideal for contactless switching, position sensing, and door/window contact applications.

Advantages

Easy to integrate with 3-pin header interface; operates at 3.3V-5V DC; includes power and status LEDs for visual indication; compact design with mounting holes for secure installation.

Suitable for

• Arduino, Raspberry Pi, ESP32, and other microcontroller projects
• Magnetic field detection and proximity sensing
• Door/window contact sensors for automation
• Non-contact switching applications

Key specifications

• Product Type: Reed Switch Module
• Sensor Type: Magnetic Field Sensor
• Switch Type: Normally Open (NO)
• Output Type: Digital (HIGH/LOW)
• Operating Voltage: 3.3V - 5V DC
• Interface: 3-Pin Header (VCC, GND, DO)
• Detection Method: Magnetic Induction
• Output Signal: Logic Level (TTL compatible)
• Current Consumption: < 10mA
• Indicator LEDs: Power LED, Status/Output LED
• Mounting Holes: Yes (2x)
• Operating Temperature: -20°C to +70°C
• Response Time: < 10ms
• Material: FR-4 PCB, Electronic Components, Glass Reed Switch

Recommendations

For reliable magnetic field detection in your next automation or IoT project, the ALLNET 4duino Reed Switch Module offers a simple and cost-effective solution. Pair with a magnet for contactless switching.