ACS712 Current Sensor Module for Arduino – Bidirectional Hall-Effect Current Detection
The ACS 712 is a current sensor module typically used for measuring AC and DC currents. It operates on the principle of Hall effect sensing and provides an output voltage proportional to the current flowing through the conductor. The ACS712 Current Sensor Module provides accurate bidirectional current sensing using the Hall-effect principle. Ideal for Arduino and microcontroller-based energy monitoring, battery management, and current flow applications (AC/DC).
₹ 79
₹ 110
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| Made In : | India |
The ACS712 Current Sensor Module is a Hall-effect based current sensing module used to measure both AC and DC current in electronic circuits. It provides electrical isolation between the measured circuit and the control system, making it safe and reliable for Arduino, ESP32, Raspberry Pi, and other microcontrollers.
This module is widely used in power monitoring systems, battery management, motor control, and energy measurement applications.
Key Features
- Measures both AC and DC current
- Hall-effect based isolated sensing (no direct electrical contact)
- Bidirectional current measurement (positive & negative)
- Low internal resistance for minimal power loss
- High accuracy analog output
- Compatible with Arduino, ESP32, Raspberry Pi
- Available in multiple ranges (5A, 20A, 30A variants)
- Compact and easy-to-use module
- Fast response time
Technical Specifications
| Parameter | Specification |
|---|---|
| Sensor IC | ACS712 Hall Effect Sensor |
| Operating Voltage | 5V DC |
| Current Ranges | ±5A / ±20A / ±30A (variant dependent) |
| Output Type | Analog voltage |
| Sensitivity | ~185 mV/A (5A variant) |
| Isolation Voltage | High electrical isolation |
| Measured Current | AC & DC |
| Response Time | Fast |
| Operating Temperature | Industrial range |
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