The KY-024 Linear Magnetic Hall Effect Sensor Module is a versatile magnetic field detection sensor designed for magnetic field measurement, speed counting, position detection, proximity sensing, motor RPM monitoring, automation systems, robotics projects, and microcontroller applications. Equipped with a Hall-effect sensor, LM393 comparator, adjustable sensitivity potentiometer, and both analog and digital outputs, this module provides reliable magnetic field detection for a wide range of electronic and industrial projects.

The KY-024 module can detect the presence and strength of magnetic fields and generate corresponding analog and digital signals. Its adjustable sensitivity allows precise calibration for different applications, while onboard status LEDs simplify monitoring and debugging. Fully compatible with Arduino, Raspberry Pi, ESP8266, ESP32, STM32, AVR, PIC, and other development platforms, it is an excellent choice for students, hobbyists, makers, and automation engineers.

Features:

• High-quality KY-024 Hall Effect Sensor Module

• Detects magnetic fields accurately and reliably

• Built-in Hall-effect magnetic sensor

• LM393 voltage comparator onboard

• Adjustable sensitivity using onboard potentiometer

• Analog and digital output interfaces

• Digital output suitable for direct microcontroller input

• Low-level trigger digital output

• Magnetic field detection indicator LED

• Wide operating voltage support

• Compact and easy-to-install design

• Mounting hole for secure installation

• Fast response time

• Stable and reliable performance

• Compatible with most microcontroller platforms

Featured by BDTronics

BDTronics supplies tested sensor modules and electronics components for students, engineers, robotics enthusiasts, and automation professionals. The KY-024 Magnetic Hall Sensor Module is selected for its reliable magnetic field detection, adjustable sensitivity, and excellent compatibility with modern development boards.

Specifications:

• Model: KY-024

• Sensor Type: Linear Hall Effect Sensor

• Hall Sensor IC: 3144 Hall Sensor

• Comparator IC: LM393

• Operating Voltage: 3.3V – 5V DC

• Voltage Range: 2.3V – 5.3V DC

• Output Type: Analog and Digital

• Digital Output: Low-Level Trigger

• Sensitivity Adjustment: Yes (Potentiometer)

• Indicator LEDs: Power and Signal LEDs

• Mounting Hole: Yes

• Interface: 4-Pin

Pin Description:

• VCC: 2.3V – 5.3V Power Supply

• GND: Ground

• AOUT: Analog Output

• DOUT: Digital Output

How to Use:

• Connect VCC to 3.3V or 5V power supply

• Connect GND to system ground

• Connect AOUT to an analog input pin if analog magnetic field measurement is required

• Connect DOUT to a digital input pin for magnetic field detection

• Adjust sensitivity using the onboard potentiometer

• Bring a magnet near the sensor

• Observe LED indication and monitor output signals

• Integrate with Arduino, Raspberry Pi, ESP32, or other controllers

Applications:

• Motor speed measurement

• RPM counting systems

• Magnetic field detection

• Proximity sensing

• Object position detection

• Rotary encoder projects

• Smart car systems

• Robotics applications

• Security alarm systems

• Automation systems

• Industrial monitoring

• Home automation projects

• Electronic bricks projects

• Magnetic switch replacement

• Contactless detection systems

Advantages:

• Both analog and digital outputs available

• Adjustable detection sensitivity

• Fast response to magnetic fields

• Low power consumption

• Easy microcontroller integration

• Compact and lightweight design

• Reliable magnetic detection performance

• Suitable for educational and industrial projects

Package Includes:

• 1 × KY-024 Linear Magnetic Hall Effect Sensor Module

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