Reed Switch Module

Reed Switch Module is a compact and highly reliable magnetic sensing device designed to detect the presence or absence of a magnetic field. Commonly used in security systems, automation projects, IoT applications, and microcontroller-based designs, this module provides a simple yet effective method for position and proximity sensing.

Built around a high-quality reed switch sealed in a glass capsule, the module operates by opening or closing an electrical circuit when exposed to a magnetic field. Its low power consumption, fast response time, and easy integration make it an ideal choice for Arduino, Raspberry Pi, ESP8266, ESP32, and other development boards. Whether used in door sensors, limit switches, or object detection systems, the reed switch module delivers dependable and repeatable performance.

Key Features of Reed Switch Module

• Magnetic Field Detection
  Accurately detects the presence or removal of a magnet for reliable ON/OFF switching.

• Digital Output Interface
  Provides a clean digital signal compatible with most microcontrollers and logic systems.

• Low Power Consumption
  Ideal for battery-powered and energy-efficient applications.

• High Sensitivity & Fast Response
  Reacts instantly to magnetic field changes, ensuring precise detection.

• Compact & Lightweight Design
  Small form factor allows easy installation in space-constrained projects.

• Long Mechanical Life
  Non-contact operation results in minimal wear and extended lifespan.

• Easy Integration
  Pre-mounted on a PCB with standard pin headers for quick and secure connections.

Technical Specifications – Reed Switch Module

• Sensor Type: Reed Switch (Magnetic Contact Sensor)

• Operating Voltage: 3.3 V to 5 V DC

• Output Type: Digital (High/Low)

• Interface: 3-pin (VCC, GND, OUT)

• Trigger Method: Magnetic field proximity

• Switch Rating: Typically up to 10 W / 100 V (reed element)

• Response Time: < 1 ms

• Current Consumption: Very low (near zero in idle state)

• Mounting Type: PCB mounted

• Operating Temperature: –10°C to +70°C

• Compatibility: Arduino, Raspberry Pi, ESP32, ESP8266, PIC, AVR, STM32

Note: Electrical ratings and sensitivity may vary depending on manufacturer and module version.

Applications of Reed Switch Module

Thanks to its versatility and reliability, the Reed Switch Module is widely used in a variety of industrial, commercial, and DIY applications:

Security & Safety Systems

• Door and window open/close detection

• Alarm systems and intrusion detection

• Cabinet and locker monitoring

Industrial Automation

• Limit switches for linear and rotary motion

• Position sensing in automated machinery

• Conveyor belt and actuator monitoring

IoT & Smart Home Projects

• Smart door and window sensors

• Magnetic-based triggers for home automation

• Energy-saving automation controls

Robotics & Mechatronics

• End-stop detection for robotic arms

• Position feedback in mobile robots

• Proximity sensing for mechanical components

Consumer Electronics

• Laptop lid detection

• Power-saving wake/sleep triggers

• Magnetic interlock systems

Educational & DIY Projects

• Arduino and Raspberry Pi experiments

• STEM learning and electronics training kits

• Prototyping magnetic sensing applications

Advantages of Using a Reed Switch Module

The Reed Switch Module offers several advantages over traditional mechanical switches and proximity sensors. Its contactless operation eliminates mechanical wear, ensuring long-term reliability. The module’s simple digital output allows for easy programming and minimal signal conditioning. Additionally, its low cost and minimal power requirement make it an economical solution for both large-scale deployments and small DIY projects.

Unlike optical or ultrasonic sensors, reed switches are immune to dust, dirt, and ambient light, making them suitable for harsh environments. Their sealed glass construction also provides excellent resistance to moisture and contaminants.

Why Choose This Reed Switch Module?

This module is designed for plug-and-play operation, making it suitable for beginners and professionals alike. With stable performance, broad voltage compatibility, and wide application support, it serves as a dependable magnetic sensing solution across multiple industries. Whether you are building a smart security system or developing an automation prototype, the Reed Switch Module ensures accurate detection and consistent operation.

Enhance your electronic projects with the Reed Switch Module—a simple, efficient, and reliable magnetic sensor for modern applications.

Package Includes:

1 x Reed Switch Module

FAQ

1. Where can we buy this Reed Switch Module?

This product is available online https://aiiottech.in/product/reed-switch-module/ and also available at our store in Pudupakkam/Kelambakkam, Chennai-603103

2. When can I get this Reed Switch Module after placing the order?

RGRJ AIIoT TECHNOLOGIES will immediately ship and deliver the product within 1-3 working days.

Video Link: How to use magnetic Sensors, Reed Switch vs Hall Sensor