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Discover the ACS712 Hall Current Sensor Module – a versatile, high‑precision solution for monitoring electrical currents in your Arduino projects. Whether you need to track 5 A, 20 A, or 30 A circuits, this compact module delivers accurate, real‑time current readings with minimal setup.
Product Overview
The ACS712 is a Hall‑effect based current sensor that outputs a voltage proportional to the current flowing through its internal shunt resistor. With built‑in isolation and a low‑noise design, it’s ideal for hobbyists, makers, and professional engineers alike.
Key Features
- Multiple Current Ranges: 5 A, 20 A, and 30 A variants available – choose the right sensitivity for your application.
- Analog Output: Direct voltage output (±0.185 V/A) for seamless integration with Arduino analog inputs.
- High Accuracy: ±2 % error tolerance, ensuring reliable measurements.
- Low Power Consumption: < 2 mA, ideal for battery‑powered projects.
- Robust Design: 3.3 V/5 V supply compatibility, 3.3 V logic level output.
- Compact Footprint: Small PCB layout fits easily into tight spaces.
- Easy Wiring: 6‑pin header for straightforward connection to Arduino or other microcontrollers.
Technical Specifications
• Supply Voltage: 5 V (recommended) / 3.3 V (optional)
• Output Voltage Range: 0.185 V/A (sensitivity) with offset of 2.5 V
• Input Impedance: >1 MΩ
• Operating Temperature: –40 °C to +85 °C
• Package: 6‑pin DIP / PCB mount
Compatibility & Applications
The ACS712 module is fully compatible with the Arduino Uno, Mega, Nano, and other 5 V logic boards. It’s perfect for:
- Real‑time current monitoring in power supplies
- Battery management and charging circuits
- Motor control and speed regulation
- Energy consumption tracking
- Educational projects and STEM labs
Why Choose This Module?
With its proven Hall‑effect technology, the ACS712 delivers reliable, drift‑free current measurements without the need for external shunt resistors or complex calibration. Its low cost, easy-to-use interface, and wide range of current capacities make it the go‑to sensor for anyone looking to add precise current sensing to their Arduino projects.
Price: $ 1.37