The ACS721 current sensor module is designed to provide precise sensing and control of current flow, making it an essential component for various applications such as over-current protection circuits, battery chargers, switching mode power supplies, digital watt meters, and programmable current sources. With its robust design based on the highly accurate ACS712 sensor, this product offers reliable detection of both AC and DC currents.

• Accurate Detection: Capable of measuring both AC and DC currents up to 5A, 20A, or 30A.
• Easy Integration: Designed for seamless connection with Arduino through an analog I/O port.
• Versatile Applications: Ideal for use in a wide range of electronic projects including power management and monitoring systems.

• Supply Voltage: 4.5V~5.5V DC
• Measure Current Range: 5A, 20A, or 30A.
• Sensitivity: 180mV/A to 190mV/A (Typical sensitivity at 185mV/A)

For further information on specifications and programming resources, please refer to the following external links:

• • ACS712 Datasheet
  • Introduction from embedded-lab - part 1
  • Introduction from embedded-lab - part 2

This product is a reliable choice for anyone looking to accurately monitor or control current in their electronic projects.