Description
ACS712 Hall Effect Current Sensor Module
The ACS712 Current Sensor Module is a precision Hall-effect current sensing module based on the Allegro ACS712 sensor IC. It accurately measures both AC and DC current while providing electrical isolation between the high-current circuit and the low-voltage control circuitry, ensuring safe and reliable operation.
The module outputs an analog voltage proportional to the measured current, allowing easy interfacing with popular microcontrollers such as Arduino, ESP32, ESP8266, STM32, Raspberry Pi, and other embedded platforms.
Available in ±5A, ±20A, and ±30A variants, the ACS712 is suitable for a wide range of applications including power monitoring, battery management systems (BMS), motor control, solar energy systems, overcurrent protection, industrial automation, and IoT projects.
Its compact through-hole module design, fast response time, low noise, and high accuracy make it an excellent choice for embedded developers, hobbyists, and industrial engineers.
Applications
- Current Monitoring
- Power Measurement
- Battery Management Systems (BMS)
- Motor Control
- Overcurrent Protection
- Solar Power Systems
- Power Supply Monitoring
- Industrial Automation
- Arduino Projects
- ESP32 & ESP8266 Projects
- STM32 Development
- Raspberry Pi Projects
- Embedded Systems
- IoT Devices
Technical Specifications
| Specification | Details |
|---|---|
| Product Name | ACS712 Current Sensor Module |
| Device Type | Hall-Effect Current Sensor Module |
| Sensor IC | Allegro ACS712 |
| Current Measurement | AC & DC Current |
| Measurement Range | ±5A / ±20A / ±30A (Variant Dependent) |
| Output Type | Analog Voltage |
| Supply Voltage | 5V DC |
| Sensitivity | 185mV/A (5A), 100mV/A (20A), 66mV/A (30A) |
| Isolation Voltage | 2.1kVRMS |
| Response Time | 5µs (Typical) |
| Mounting Type | Through-Hole Module |
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