Do you need to measure a flowing current through your load? So let's check out module with ACS711 current sensor in x31AB version, what is able to measure up to 31A. The biggest advantage of this ...

A simple Amperimeter (or Ammeter) using a readily-available hall effect current sensor. Output is both to the LCD and to Serial in tab-separeated-value format: average_read_from_sensor \t voltage \t ...