Current Sensor ACS712-20A

ACS712-20A Current Sensor Module – Precise AC/DC Current Measurement for Arduino and IoT

The ACS712-20A sensor module uses the Hall effect principle to measure current flowing through a conductor up to ±20 amperes. It provides an analog voltage output proportional to the current, which can be easily read by microcontrollers like Arduino, ESP32, and Raspberry Pi.

Widely used in power monitoring, motor control, battery management systems, and smart energy meters, this sensor offers reliable and isolated current measurement, making it ideal for embedded and IoT applications in Bangladesh.

Key Features:

• Current Measurement Range: ±20A

• Output: Analog voltage proportional to current

• Operating Voltage: 5V

• Hall effect-based sensor for electrical isolation

• Fast response time and high accuracy

• Easy integration with microcontrollers via ADC

• Compact PCB module with mounting holes

Applications:

• AC/DC current monitoring

• Motor speed and load control

• Battery management and protection systems

• Smart home and industrial energy monitoring

• Academic and hobbyist electronics projects in Bangladesh

The ACS712-20A current sensor is a reliable, cost-effective solution for real-time current sensing in various embedded systems and IoT devices.