A magnetic sensor is a sensor thatdetects the magnitude of magnetism and geomagnetism generated by a magnet or current. These sensors are used to detect extremely low values of the magnetic fields like 1uG (1 Gauss is equal to 10-4 Tesla. The best examples of this areNuclear procession, Fiber optic, and SQUID. The applications of low-field sensors mainly include nuclear as well as medical fields. The advantages of magnetic sensors are low cost and ruggedness. Rotational speed and position sensors are used in the automotive industry (e.g., for ignition timing and anti-lock braking systems). They are most often based on a Hall sensor integrated with a small permanent magnet.

Applications:

1. Home Appliances.
2. Automobile Sectors.
3. DIY mini projects.
4. Nuclear procession.

Useful link:

DFRobot Gravity Digital Magnetic Sensor tutorial.

Features:

1. Standard assembling structure (Times-of-5mm Center distance between two 3mm mounting holes).
2. Easily precognitive interfaces of sensors (A for analog and D for digital).
3. Icons to simplify and illustrate sensor functions.
4. High-quality connector.
5. Immersion gold surface.
6. Indicator LED on board.

Packages Includes:

1 x DF Robot Gravity Digital Magnetic Sensor.