ACS712 Current Sensor is a high-precision Hall-effect-based module designed for measuring AC and DC current in electronic and industrial applications. It provides accurate, real-time current sensing with electrical isolation, making it safe and reliable for Arduino, microcontroller projects, power monitoring systems, and battery management applications. Available in different current ranges, the ACS712 outputs an analog voltage proportional to the current flowing through the conductor. Its compact design allows easy integration into PCB circuits and DIY electronics projects. Ideal for load detection, energy monitoring, motor control, and overload protection, this sensor is widely used by engineers, hobbyists, and IoT developers seeking efficient and accurate current measurement solutions.