Magnetic Hall Sensor Module

This small Hall sensor detects whether a magnetic field is present and switches digitally: as soon as the matching pole of a magnet is close enough, output Y goes LOW and the LED lights up. The signal can be read like a switch on any digital input of the Arduino.

Recommended alternative with analog output: Hall Sensor Module with Analog Output

Recommended Accessories:

• 8x5mm Neodymium Disc Magnet
• Dupont Cable M-F 20cm 20 Pieces

Features:

• Switches on only one pole of the magnet
• Digital input on the Arduino preferably with INPUT_PULLUP
• For operation at 5 V: sensors of this type are only specified from 4.5 V

Application Examples:

• Detecting magnets, for example on doors or flaps
• Counting revolutions with a magnet on the rotating part
• Contactless limit switch

Documentation:

• Hall sensors and reed switches (Wolles Elektronikkiste, German)
• KY-003 Hall module with examples (ArduinoModules)

Technical Data:

• Hall sensor: 44E938
• Operating voltage: 5 V
• Pins: G (GND), R (5 V), Y (signal)
• Dimensions: 27 × 15.5 × 7 mm
• Weight: 1 g

Scope of Delivery:

• 1× Hall sensor module