Keyestudio ACS712-5A Current Sensor for Arduino is used to measure the intensity of current . It contains ACS712ELC-5B chip ACS712-5A based on Hall Effect . You should protect it from influence of magnetic field when using it.
Specification
Chip:ACS712ELC-5B
5V Power Supply and Power Indicator On-board
This module can detect 5A positive and negative current,corresponding analog output at 185mV/A.