Hall-effect Magnetic Sensor Module

RM2.90

This is a sensor you can use with Arduino to sense changing magnetic fields around magnetic objects, without contacting to the object itself.

 

Out of stock

SKU: SNR-MH-HALLEFFECT Category: Tags: , , , , ,

Description

MH Sensor Series

This is an easy to use sensor module you can use to sense moving or alternating magnetic fields, typically found in rotating motors, moving magnet, linear magnets, etc. You can build a contactless speed counter or speedometer with this module for measuring the rotation speed of motor by counting the frequency of the motor. You can also use this module to sense a door magnet which is useful if you plan to build projects involves door sensing, window sensing, etc.

Note : this sensor can works in both analog and digital mode. You can connect the analog output (AO) pin to Arduino to read voltage directly from the A3144 chip, or digital output (DO) to sense the processed output from the module. Adjust the potentiometer (a.k.a. trimmer) to set the digital output (DO) sensitivity.

Specific Features

  • Comes with A3144 hall-effect sensor chip in front that is sensitive to changing magnetic fields.
  • Application such as door sensor, window sensor, contactless tachometer, speedometer, magnetic field sensing, etc.
  • Output type : Analog and Digital
  • Unipolar hall-effect digital switch

 

Common Features

  • Logical IC : LM393
  • Operating voltage : 5V
  • Output current : ≤15 mA
  • Adjustable sensitivity via potentiometer
  • Comes with LED indicators for POWER and OUTPUT
  • Fixed bolt holes for easy installation

 

Wiring

Label Meaning Connection
VCC Power source Connect to 5V of system
GND Ground Connect to GND of system
DO Digital Output Connect to digital IO pin
AO Analog Output Connect to analog input pin

 

Files & Documentation

Additional information

Weight 5 g
Dimensions 32 × 14 × 10 mm

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