Description
Description
The KY-024 Hall Effect Sensor Module is a linear magnetic sensor that detects magnetic field strength, making it ideal for motion detection, magnetic switches, and proximity sensing in Arduino, Raspberry Pi, and other microcontroller projects.
This versatile module offers both analogue and digital outputs—the analogue output varies with magnetic field strength, while the digital output can be triggered at a set threshold using the onboard potentiometer.
It’s ideally suited for applications such as magnet-based speed sensors, contactless switches, and magnetic proximity alerts. Compact and breadboard-friendly, it’s perfect for embedded or prototype use.
- Module: KY-024
- Sensor Type: Linear Hall Effect Sensor
- Function: Detects magnetic field strength
- Output Type: Analogue & Digital
- Operating Voltage: 3.3V – 5V
- Interface: VCC, GND, A0 (analogue), D0 (digital)
- Sensitivity Adjustment: Onboard potentiometer for digital threshold
- Module Size: 36mm x 16mm
Key Features:
- Module: KY-024
- Function: Magnetic field detection using Hall effect
- Output:
- A0: Analogue voltage proportional to magnetic field
- D0: Digital HIGH/LOW output (adjustable threshold)
- Adjustable sensitivity via potentiometer
- Operating Voltage: 3.3V – 5V
- 4-pin interface: VCC, GND, A0, D0
- Compatible with Arduino, Raspberry Pi, ESP32, etc.
- Compact and easy to integrate into projects
What’s Included:
- 1x KY-024 Hall Effect Magnetic Sensor Module
Great For:
- Magnetic Field Detection
- Speed & RPM Sensors (magnet + rotating object)
- Non-Contact Magnetic Switches
- Proximity & Security Alarms
- STEM Education & Sensor Learning Kits
- Contactless Event Triggers
Usage Tips:
- Use analogRead() to get magnetic field strength from A0
- Use digitalRead() for threshold-based magnetic detection via D0
- Adjust the potentiometer to change D0 activation point
- Responds to both poles of a magnet but varies based on direction
- Combine with rotating magnets for motor RPM detection
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