KY-025 Reed Switch Sensor Module – Magnetic Field Detection Module for Arduino & Raspberry Pi

KY-025 Reed Switch Sensor Module – Magnetic Field Detection Module for Arduino & Raspberry Pi.

Reliable Magnetic Detection Sensor for DIY & Automation Projects

The KY-025 Reed Switch Sensor Module is a compact and easy-to-use magnetic field detection module designed for Arduino, Raspberry Pi, ESP8266, ESP32 and other microcontrollers. It detects the presence of a magnet and outputs both digital and analog signals, making it perfect for security systems, door sensors, automation, and robotics projects.

This module features an onboard LM393 comparator, adjustable sensitivity, and LED indicators for quick status monitoring. Ideal for students, hobbyists, and IoT developers in India.

Key Features

• Magnetic field detection using reed switch
• Digital and Analog output
• Adjustable sensitivity via onboard potentiometer
• Onboard LED status indicators
• Compatible with Arduino, Raspberry Pi, ESP modules
• Easy 3-pin interface (VCC, GND, Signal)
• Compact and lightweight design

Technical Specifications

• Model: KY-025
• Operating Voltage: 3.3V – 5V
• Output Type: Digital (DO) & Analog (AO)
• Comparator IC: LM393
• Detection Type: Magnetic field detection
• Adjustable Trigger Sensitivity: Yes
• Interface: 4 Pins (VCC, GND, DO, AO)

Applications

• Door and window security alarm systems
• Magnetic proximity detection
• Smart home automation
• Position sensing
• Industrial automation projects
• Robotics and IoT systems
• STEM and engineering experiments

*product image for illustration purposes only, actual product may vary.