The MAX471 is an older current sensor which can handle up to 50 Watt, with a maximum of 25 Volts or a current of 3 Amperes. It is officially not supported anymore however there are still many for sale ...

Working Principle of ACS712 Current Sensor with Arduino The ACS712 sensor operates on the Hall-effect principle. When current flows through the input terminals (IP+ and IP-), it generates a magnetic ...

The use of the PZEM-004T sensor is not appro-priate for measurements on solar panels, especially since measurements must go through a current inverter from DC to AC. The MAX471 sensor has the highest ...