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Measure Current, Voltage, or Magnetic Fields with Ease
The Hall Effect Switch is a button or switch input module with digital output designed for power monitoring, motor feedback, magnetic detection, and control systems. It is a practical fit for makers, students, and engineers who want reliable sensor data in embedded builds.
Key details include Power supply: DC5V-30V; Output: NPN.
Why you’ll love it
- Controller output: NPN
- Power range: DC5V-30V
- Current draw: 150mA
- Useful spec: VCC; Black: Signal; Blue: GND
- Sensor size: 1.2m
- Maker-friendly build: Easy to use in prototypes, classroom projects, and custom electronics
Compare with similar products
| Product | Sensor style | Standout |
|---|---|---|
| Hall Effect Switch | button or switch input module with digital output | Current item |
| Hall Sensor Module | magnetic sensor with analog and digital output | analog output, digital output |
| Hall Sensor A3144E | magnetic sensor with analog and digital output | hall-effect detection |
| Hall Digital Sensor Gravity | magnetic sensor with digital output | digital output, hall-effect detection |
What you can build
This sensor is a good fit for current meters, motor drivers, magnetic door sensing, power dashboards, and fault alerts.
Starter bundles
Pair it with an Arduino-compatible board, ESP32, or Raspberry Pi, plus a breadboard and jumper wires for quick setup and testing.
Recommended add-ons
Useful add-ons include a microcontroller board, jumper wires, and pull-up or pull-down support when needed, depending on how you plan to power, mount, and log the sensor.
Technical specifications
| Product | Hall Effect Switch |
|---|---|
| Output | NPN |
| Power supply | DC5V-30V |
| Current | 150mA |
| Brown | VCC; Black: Signal; Blue: GND |
| Length | 1.2m |
| Category | electric current electric potential magnetic sensors |
Wiring & usage notes
Connect power and ground, then wire the output pin to a digital GPIO input. Check whether the module uses active-high or active-low logic in your code.
What’s in the box
1 × Hall Effect Switch
Frequently Asked Questions
What does the Hall Effect Switch measure?
It is designed to measure magnetic field or magnetic presence.
Can I use it with Arduino, ESP32, or Raspberry Pi?
Yes. It is well suited for common maker and embedded platforms, as long as you power it at the correct voltage and match the signal level to your controller.
How do I connect this Digital GPIO sensor?
This sensor provides a digital switching-style signal that is easy to read from a GPIO pin.
Does it need calibration?
Yes. Chemical and gas sensors usually need warm-up time, calibration, and periodic checking if you want stable readings.
Is it good for prototyping?
Yes. It is a practical choice for learning, proof-of-concept builds, and small automation projects.
Manila stock. Order before 16:00 PHT, ships today via J&T or LBC. Provincial: 1–3 working days.
Schools / class POs: we accept Purchase Orders for accredited schools and universities. contact us with your PO details.
Returns: 7-day inspection window for DOA units. Email proof of issue and we ship a replacement.
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