Speed Measurement Hall Sensor Module


This module can be used to detect the presence of an magnetic field. If there is an magnetic field present, it will report a high level signal. It can be used in many applications such as the RPM sensor (for counting the number of shaft revolutions), Robot speed and distance measurements, door switch and robot arm position sensor. Generally, it can be used for any magnetic field detection.

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  • Full or Partial Refund, if the item is not as described
  • Processing time: Ships in 24 hours

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50 in stock

SKU: 1387544 Category:








  • S49E hall sensor
  • Features wide range voltage comparator LM393
  • Adjustable sensitivity (potentiometer)
  • Signal output indicator


  • Volt: 2.3V ~ 5.3V
  • Dimension: 27.0mm * 15.5mm
  • Mounting holes size: 2.0mm


  • Motor shaft speed measurement (shaft encoder)
  • Object position detection

How to Use

In the case of working with Arduino / microntroller /Raspberry:

  • VCC ↔ 2.3V ~ 5.3V
  • GND ↔ power supply ground
  • OUT  ↔ Arduino/ MCU input


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