ACS712 current sensor - 20A

ACS712 current sensor module. It allows you to measure current from 0 A to 20 A both AC and DC , based on the Hall effect. The sensitivity of the system is 100 mV/A . Powered by 5 V.

ACS712 current sensor - 20 A

Connection example.

The device has a 4-pin connector. The output signal can be connected to the analog input of the Arduino module . The load source and ground must be connected to the screw connections.

1. Computer
2. DC powered
3. Potentiometer 10 Ohm (set to 3.16A)
4. ACS712 module
5. MingHe B3603 Step Down (constant current and voltage supply)

• Supply voltage: 5V
• Chip: ACS712ELC-20A
• Connector: analog
• Measuring range: 0 A to 20 A
• Sensitivity: 100mV/A
• Dimensions: 30x15mm
• Weight: 3g

The ACS712 module is a current value sensor that allows you to quickly perform measurements. The device enables measurements with the system sensitivity of 100 mV/A in the range from 0 A to 20 A.

The equipment is equipped with a special connector with four pins, which should be connected to the analog input of, for example, Raspberry Pi or Arduino.

The device works using the physical phenomenon of the Hall effect. In order to obtain correct measurements, it is necessary to connect the cable with the load and ground to the prepared screw connections.

Before buying, it is worth reading the detailed documentation provided by the manufacturer below. The module can be used both for didactic purposes and as part of projects carried out by experienced electronics engineers.

• Manufacturer's website
• Module documentation