ACS712 30A Current Sensor Module

ACS712 30A Current Sensor Module measures AC and DC current up to ±30A with high accuracy using the Hall effect principle. Ideal for power monitoring, motor control, and Arduino-based energy measurement projects.

Technical Specifications:

1. Operating Voltage: 5V DC
2. Current Measurement Range: ±30A
3. Output Type: Analog (proportional to current)
4. Sensitivity: 66 mV/A (typical)
5. Measurement Type: AC and DC current
6. Response Time: 5 µs
7. Analog Output Voltage: Vcc/2 at 0A current
8. PCB Dimensions: Approx. 31mm × 13mm
9. Operating Temperature: -40°C to +85°C
10. Mounting Holes: 2 × M3 for easy installation

The ACS712 30A Current Sensor Module is a high-precision device used to measure both AC and DC current. It is based on the ACS712ELCTR-30A Hall Effect sensor IC, which produces an analog voltage proportional to the current flowing through the circuit.

This module can detect current in the range of -30A to +30A, making it suitable for medium- and high-current applications such as power supplies, motors, and battery monitoring systems. The onboard circuit isolates the measurement signal and provides safe analog output for Arduino, ESP32, NodeMCU, or Raspberry Pi.

Compact, reliable, and easy to interface, this module is perfect for energy monitoring, load detection, and current protection systems.

🧠 Features:

1. Measures both AC and DC current up to ±30A
2. Uses Hall Effect principle for electrical isolation
3. Provides accurate and noise-free analog output
4. Simple 3-pin interface for easy Arduino integration
5. Compact and robust design
6. Ideal for power measurement and energy monitoring applications

📦 Applications:

1. Power consumption monitoring
2. Battery management systems
3. Motor speed and load control
4. Overcurrent protection systems
5. IoT and automation power monitoring