MC-38 Wired Magnetic Door Window Sensor for Arduino Alarms
MC-38 Wired Magnetic Door Window Sensor for Arduino Alarms
MC-38 Wired Door & Window Magnetic Sensor
Keep your home, office, or workshop smarter and more secure with the MC-38 Wired Magnetic Door & Window Sensor. Built around a reliable Hall-effect magnetic switch, this compact metal sensor detects when a door or window opens or closes — instantly triggering your alarm system, Arduino project, or home automation controller.
With an optional 30mm wire lengthening capability, installation flexibility is built right in. Whether you're wiring a DIY alarm panel, building an Arduino-based security circuit, or integrating into an existing home automation setup, this sensor delivers consistent, accurate switching performance every time.
Key Features
- Hall Sensor Technology: Uses a magnetic Hall-effect switch for precise, contact-free detection of open/closed states.
- 30mm Wire Lengthening Option: Customizable wire length for flexible installation across a variety of door and window frames.
- Durable Metal Construction: Sturdy metal housing resists everyday wear for long-lasting reliability.
- Arduino Compatible: Integrates seamlessly with Arduino boards, Raspberry Pi, and most microcontroller platforms.
- Wide Application: Ideal for home alarm systems, DIY security projects, smart home automation, and hobbyist electronics.
- Switching Transducer Output: Clean digital switching signal for easy integration with control panels and microcontrollers.
- No High-Concern Chemicals: Material composition confirmed free from high-concern chemicals.
Specifications
| Type | Magnetic Sensor (Hall Sensor) |
| Output | Switching Transducer |
| Material | Metal |
| Wire Lengthening | 30mm option available |
| Compatible With | Arduino, home alarm systems, smart home controllers |
| Country of Origin | Made in Mainland China |
Perfect For
- DIY home alarm and security systems
- Arduino and Raspberry Pi projects
- Smart home automation setups
- Door and window open/close detection circuits
- Hobbyist and maker electronics builds
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Frequently Asked Questions
Q: Is the MC-38 magnetic door sensor compatible with Arduino?
A: Yes! The MC-38 wired magnetic sensor is fully compatible with Arduino, Raspberry Pi, and most microcontroller platforms. Its clean switching transducer output makes it straightforward to integrate into any digital input circuit or alarm project.
Q: What does the 30mm wire lengthening option mean?
A: The 30mm wire lengthening option means the sensor's leads can be extended by 30mm, giving you added flexibility when mounting the sensor on thicker door or window frames and routing wires through tight spaces during installation.
Q: Can this sensor be used in a home alarm system?
A: Absolutely. The MC-38 is designed specifically for use in wired home alarm systems. It detects the separation of its two magnetic components when a door or window is opened, sending a switching signal to your alarm control panel or microcontroller.
Q: Is this sensor suitable for both indoor and outdoor use?
A: This sensor is best suited for indoor applications such as interior doors, windows, cabinets, and drawers. For outdoor use, ensure it is protected from direct moisture exposure, as it is not explicitly rated as weatherproof.