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Measure Current, Voltage, or Magnetic Fields with Ease

The Hall Digital Sensor Gravity is a magnetic sensor 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 Supply Voltage: 3.3V to 5V; Interface: Digital; Size: 22x30mm (0.87x1.18").

Why you’ll love it

  • Easy wiring: Digital
  • Power range: 3.3V to 5V
  • Compact size: 22x30mm (0.87x1.18")
  • Maker-friendly build: Easy to use in prototypes, classroom projects, and custom electronics
  • Common controller support: Works well with Arduino, ESP32, Raspberry Pi, and similar boards
  • Project-ready sensing: power monitoring, motor feedback, magnetic detection, and control systems

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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 Digital Sensor Gravity
Interface Digital
Supply Voltage 3.3V to 5V
Size 22x30mm (0.87x1.18")
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 Digital Sensor Gravity

Frequently Asked Questions

What does the Hall Digital Sensor Gravity 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.
What affects accuracy? Power quality, wiring, mounting, target material, and the real environment can all affect the reading. It is best to test and calibrate in the final setup.
Is it good for prototyping? Yes. It is a practical choice for learning, proof-of-concept builds, and small automation projects.

Build with this board

// from learn.circuit.rocks

Notes from the bench

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Ask the community

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