Gravity Magnetic Induction Sensor

The Gravity Magnetic Induction Sensor is a high-performance, easy-to-use magnetic field detection module designed for microcontroller-based projects. It operates by sensing changes in magnetic flux density using a Hall Effect sensor, producing a stable digital output when a magnetic field is detected.

This sensor is ideal for various automation, security, and robotics applications. Its high sensitivity allows it to detect both permanent magnets and electromagnets. It is widely used for door detection systems, speed monitoring, rotational sensing, and magnetic switch control in Arduino and IoT-based projects.

With the Gravity interface, the sensor offers plug-and-play connectivity, reducing wiring complexity and ensuring reliable signal transmission.

⚙️ Key Features:

✅ Detects magnetic fields and outputs digital signals
✅ Compatible with Arduino, Raspberry Pi, and NodeMCU
✅ Built-in Hall Effect sensor for accurate magnetic detection
✅ Compact Gravity interface design for easy connection
✅ Fast response and high sensitivity
✅ Suitable for automation and smart control systems

🔧 Technical Specifications:

• Operating Voltage: 3.3V – 5V DC

• Output Type: Digital signal

• Detection Type: Magnetic field (N/S pole)

• Interface: Gravity 3-pin (Signal, VCC, GND)

• Output Level: High when magnetic field is detected

• Response Time: <2 ms

• Operating Temperature: -25°C to +85°C

• Dimensions: 30mm × 22mm

• Compatible Boards: Arduino, ESP32, Raspberry Pi, STM32

⚙️ Working Principle:

When a magnet approaches the sensor, the Hall element inside detects changes in magnetic flux and outputs a high signal, indicating the presence of a magnetic field. When the magnet is removed, the output returns to a low signal, making it ideal for detecting motion, rotation, or magnetic presence in systems.

⚙️ Applications:

• Door and window magnetic detection systems

• Rotational and proximity sensing

• Industrial automation

• Magnetic switches and counters

• Smart home IoT applications

• DIY robotics and Arduino projects

⚠️ Precautions:

• Avoid exposure to strong electromagnetic interference.

• Do not reverse polarity when connecting power.

• Maintain a safe operating distance from high magnetic fields for consistent readings.

🎥 Tutorial & Resources:

📺 Watch this YouTube tutorial on Gravity Magnetic Induction Sensor setup and working to learn wiring and code integration with Arduino.

🔗 Internal Links:

• Explore more Electronics Components

• Browse Arduino and Accessories

• Check Sensors Modules for related magnetic and motion sensors

🧩 Product Summary:

The Gravity Magnetic Induction Sensor is a reliable, high-sensitivity module for detecting magnetic fields in automation, robotics, and smart systems. Designed with the Gravity interface for simple connectivity, it’s a perfect fit for Arduino, Raspberry Pi, and IoT projects that require accurate magnetic field detection and control.