Magnetic Hall Effect Sensor Module – KY-003


The KY-003 Hall Magnetic Sensor Module is an A3141 IC based breakout board that can be used as a magnetic switch.

In stock

SKU: PHI1071272 Category: Tags: , , ,


The KY-003 Magnetic Hall Effect Sensor Module is an A3141 IC-based breakout board that can be used as a magnetic switch. The sensor has a GND, +5V supply and a digital output pin. The signal line pin goes HIGH when a magnetic field is detected, and LOW when no field is detected.


  • Operating voltage: 4.5V – 24V
  • Operating temperature: -40c – 85c
  • Dimensions: 18.5mm x 15mm


Pin Specifications:

  • Pin 1: GND
  • Pin 2: +5V
  • Pin 3: Digital output


  • 1 x KY-003 Magnetic Hall Effect Sensor Module

We ship Australia wide to all addresses, including PO Box, Parcel Locker, etc.

The following shipping options available are listed below:

Australian Orders

  • Standard Shipping – Free (low cost / small products) – Sent via standard Australia Post stamped mail, 3 – 7 business days delivery depending on location, minimal tracking.
  • Standard Shipping – Free (higher cost / larger products) – Sent via Australia Post Parcel Service or Courier Service, depending on location and mailing address, 2 – 5 business days delivery, with full tracking.
  • Express Post – $12.00 (Cost may be higher depending on product size) – Sent via Australia Post Express Service, 1 – 2 business days for metro orders, potentially longer for orders outside of metro zones, with full tracking.

Orders outside of metro orders can take 2+ days longer than the estimates stated above.

International Orders
Currently, we don’t ship internationally, but this will be coming soon, so stay tuned!

Pick Up
In-person pickup is currently not available. If the order is urgent, please contact us to see what can be arranged.

If you have any questions, please have a look at the customer service portal where you will find answers to many common questions, or you can reach out to us through the contact us page.

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