shop/ electrical & magnetic sensors/ current sensor 30a acs712 - hall-effect

Measure Current, Voltage, or Magnetic Fields with Ease

The Current Sensor 30A ACS712 is a current or power sensor 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 Sensor Lab: Current Sensor 30A ACS712 + sensors + display + power supply; Plays nicely with ecosystems: Compatible with Arduino, ESP32, and Raspberry Pi when used within rated specs.; Robotics: motor control, sensors, mechanisms, small robots..

Why you’ll love it

  • Current Sensor 30A ACS712: Current Sensor 30A ACS712
  • Useful spec: Current Sensor 30A ACS712 + sensors + display + power supply
  • 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

Compare with similar products

Product Sensor style Standout
Current Sensor 30A ACS712 current or power sensor Current item
Voltage Sensor Module 25V voltage sensing module model 25V
30A Current Sensor Non-invasive AC current or power sensor temperature sensing
Current Sensor AC/DC 50A current or power sensor with analog output analog 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 or jumper wires for quick setup and testing.

Recommended add-ons

Useful add-ons include breadboards, jumper wires, displays, enclosures, and logging modules, depending on how you plan to power, mount, and log the sensor.

Technical specifications

Product Current Sensor 30A ACS712
Sensor Lab Current Sensor 30A ACS712 + sensors + display + power supply
Plays nicely with ecosystems Compatible with Arduino, ESP32, and Raspberry Pi when used within rated specs.
Robotics motor control, sensors, mechanisms, small robots.
Robot Kit Current Sensor 30A ACS712 + chassis + motor driver + batteries
Product type See images/title for classification (module, board, sensor, accessory).
Home & hobby automation, indicators, DIY devices.
Learning Kit Current Sensor 30A ACS712 + dev board + breadboard + jumper wires
Operating use Low-voltage electronics within rated limits.

Wiring & usage notes

Check the pin labels on the Current Sensor 30A ACS712 and match them to your controller voltage, ground, and signal pins. Keep wiring short and verify the logic level before powering the module.

What’s in the box

1 × Current Sensor 30A ACS712

Frequently Asked Questions

What does the Current Sensor 30A ACS712 measure? It is designed to measure current or power use.
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.
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

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Notes from the bench

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Ask the community

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