• KY-003 Hall Magnetic Sensor Module for Arduino with A3144 sensor, ideal for DIY electronics projects.
  • KY-003 Hall Magnetic Sensor Module for Arduino - A3144 Hall-effect switch for sensitive magnetic field detection.
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KY-003 Hall Magnetic Sensor Module for Arduino | A3144 Sensor

KY-003 Hall Magnetic Sensor Module for Arduino | A3144 Sensor

HK$10.00
HK$10.00
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Delivery Options

  • Local delivery within Hong Kong and in-store pickup.​
  • Free shipping for orders of HK$400 or above; HK$35 shipping fee for orders below HK$400.​
  • Shipped by SF Express, usually dispatched the same day for orders confirmed before 6:00 PM (Mon–Sat).​
  • Estimated delivery time: 1–3 business days after dispatch (Hong Kong).​
  • In-store pickup details (location and time) will be confirmed by email or phone message.​
  • Delivery times are estimates and may be affected by weather or unforeseen circumstances.​

Overview

The KY-003 Hall Magnetic Sensor Module is a reliable and high-precision sensor designed for detecting magnetic fields. Built with the A3144 Hall-effect switch, it’s an ideal choice for Arduino enthusiasts, robotics projects, and DIY smart car applications.

Features

  • High-Sensitivity Magnetic Detection: The A3144 Hall-effect sensor provides accurate and consistent magnetic field detection.
  • Integrated Circuit Design: Includes reverse polarity protection, a square wave Hall voltage generator, temperature compensation, signal amplifier, Schmitt trigger, and open-collector output for stable operation.
  • 5V Operating Voltage: Fully compatible with most microcontrollers, including Arduino and AVR boards.
  • Digital Signal Output: Offers a clean digital signal (HIGH/LOW) that can be easily processed by microcontrollers.
  • Simple Wiring: Comes with three labeled pins — VCC (5V), GND, and Signal — for quick and easy connection.

Applications

Perfect for projects requiring magnetic field sensing, such as:

  • Magnetic proximity switches
  • RPM counters and speed detection
  • DIY robotics and smart car kits
  • Magnetic field measurement experiments

Specifications

  • Model: KY-003
  • Sensor Type: A3144 Hall-effect switch
  • Operating Voltage: 5V DC
  • Output Type: Digital (open collector)
  • Pins: VCC, GND, Signal
  • Dimensions: Approx. 18mm x 15mm
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