ACS712 ACS724 Hall Effect Current Sensor Module 5A 20A 30A

ACS712 / ACS724 Hall Effect Current Sensor Module

The ACS712 / ACS724 Current Detection Module is a compact, reliable Hall effect-based current sensing board designed for electronics projects, DIY circuits, Arduino builds, and industrial monitoring applications. Capable of measuring both positive and negative current across three selectable ranges — 5A, 20A, and 30A — this module delivers accurate analog output for real-time current monitoring in your circuit designs.

Key Features

• Wide Current Range: Supports 5A, 20A, and 30A measurement ranges to suit a variety of applications
• Hall Effect Technology: Non-contact sensing via ACS712 or ACS724 IC for accurate, isolated current measurement
• Bidirectional Measurement: Measures both positive and negative currents — the 30A range provides an analog output of 66mV/A
• 5V Power Supply: Standard 5V pin power supply with an onboard power indicator LED for easy status monitoring
• Analog Output: Clean analog voltage output, compatible with microcontrollers such as Arduino, ESP32, and Raspberry Pi
• Compact Design: Lightweight and small form factor, easy to integrate into any project or enclosure
• 3 Variants Available: Choose from 5A, 20A, or 30A versions to match your specific current monitoring needs

Specifications

• Supported ICs: ACS712 / ACS724
• Current Ranges: ±5A, ±20A, ±30A
• Supply Voltage: 5V DC
• Output: Analog voltage proportional to current
• Sensitivity (30A version): 66mV/A
• Onboard power indicator LED
• Interface: Compatible with standard microcontroller ADC pins

Ideal Applications

• Arduino and microcontroller-based current monitoring systems
• Battery management and power supply monitoring
• Motor current sensing and control circuits
• Solar panel and renewable energy monitoring
• Robotics and embedded systems projects

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Frequently Asked Questions

Q: What current ranges does the ACS712 ACS724 sensor module support?

A: The ACS712 / ACS724 Hall Effect Current Sensor Module is available in three current range variants: ±5A, ±20A, and ±30A. Each variant is optimized for its respective measurement range, with the 30A version providing an analog sensitivity of 66mV/A. Choose the variant that best matches your circuit's expected current draw.

Q: Is the ACS712 ACS724 module compatible with Arduino and other microcontrollers?

A: Yes! The module outputs a clean analog voltage signal that can be read directly by any microcontroller with an ADC (analog-to-digital converter) input, including Arduino Uno, Arduino Mega, ESP32, ESP8266, Raspberry Pi Pico, and more. Simply supply 5V power and connect the output pin to your ADC input.

Q: Can this module measure both positive and negative currents?

A: Absolutely. The ACS712 / ACS724 module is designed for bidirectional current measurement, meaning it can accurately detect both positive (forward) and negative (reverse) current flow. This makes it suitable for applications such as battery monitoring, motor control, and energy management systems where current direction matters.

Production & Packaging Notice

To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.