Hall Sensor

WaveshareSKU: WAV-9522
Sale price £2.67
incl. VAT
excl. VAT
In stock

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Hall sensors are used to detect and measure magnetic fields - the output signal level is proportional to the magnetic field intensity.

This Hall Sensor from Waveshare uses an LM393 wide-range voltage comparator and features adjustable sensitivity and a signal output indicator LED.

Comes with a 4-pin jumper cable for connecting to your development board.


  • 49E hall sensor
  • Features a wide-range voltage comparator (LM393)
  • Adjustable sensitivity
  • Signal output indicator
  • Male pins pre-soldered


How to Use

In the case of working with an MCU:

  • VCC ↔ 2.3V ~ 5.3V
  • GND ↔ power supply ground
  • AOUT ↔ MCU.IO (analog output)
  • DOUT ↔ MCU.IO (digital output)

Package Contents

  • 1x Hall Sensor Module
  • 1x 4-pin cable


  • Power: 2.3V ~ 5.3V
  • Dimensions: 27.0mm * 15.5mm
  • Mounting holes size: 2.0mm (M2)

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