Load resistor plus DMM. Power rating for the resistor will be determined by (I**2)R. Measure the voltage across the resistor. Note that this wouldn't account for dynamic load changes nor will it test PD values.Don't know what but I'm thinking of investing in/building a USB power supply tester.
Statistics: Posted by W. H. Heydt — Wed Jan 08, 2025 8:39 pm