ACS712 30A Current Sensor Module for Arduino & DIY Projects

Product Name

ACS712 30A Current Sensor Module for Arduino & DIY Projects

Primary Function

Measures AC and DC current up to ±30A and provides analog voltage output proportional to current

Current Range

-30A to +30A

Output Type

Analog voltage output (centered at Vcc/2, typically 2.5V at 0A for 5V systems)

Sensitivity

66mV/A (for 30A variant)

Operating Voltage

5V DC

Measurement Type

Bidirectional AC/DC current measurement

Chipset

ACS712ELCTR-30A-T by Allegro Microsystems

Mounting Type

Through-hole terminals for current input; header pins for signal & power

Interface Compatibility

Analog input pins of microcontrollers (Arduino, ESP32, STM32, etc.)

Key Features

Hall-effect based sensing, electrical isolation between load and control side, compact PCB design, high accuracy

Applications

Power monitoring, motor control, energy metering, overcurrent protection, battery management, solar projects, and automation systems

Professional Use Case

Expert Commentary

ACS712 modules provide a simple, robust, and cost-effective way to monitor current flow in both DIY and commercial-grade systems

Operating Temperature Range

-40°C to +85°C

Compliance

RoHS Compliant, Lead-Free

Safety Note

Ensure proper insulation and handling when using high-current applications to avoid circuit damage or hazards

Stock & Availability

Available in stock; suitable for both prototyping and production