KY-003 Hall Magnetic Sensor Module

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Detect the presence of a magnetic field easily with this sensor module! The on-board LED indicates the presence of a magnetic field and the resistor makes it easier for wiring to your project!

*This module is part of the KY series of sensors which means that the prints on the board might be mislabelled, do read our notes in the description to understand how to wire it properly. For more information about the problems with the KY series, visit

Operating Voltage: 5V
Weight: 1.5g

Note: Pin 1 should be connected to Ground, Pin 2 to 5V and Pin 3 is the data output pin.

Hookup Guide:

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