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.
Kit includes :1 * Raspberry pi 4 Model B (No board/2GB / 4GB Optional)
1 * Case Cover
1 * Cooling Fan
1 * 5V 3A AU Power supply
3 * Heat-sinks 14*12*5.5MM
1 * 1M Micro HDMI to HDMI Cable
1* 32GB SD Card
8* screw