Electronic load testing device

The invention aims to provide the electronic load testing device which is low in cost, small in size, wide in application range and high in integration level. The circuit comprises an electronic load, a current adjusting module, a voltage measuring module, a current sampling module, an ADC module, a DAC module and a main control module, the output end of the current adjusting module and the input end of the voltage measuring module are both connected with the electronic load, and the current adjusting module is grounded through the current sampling module. The current sampling module is connected to the main control module through the ADC module, the input end of the current adjusting module is connected to the main control module through the DAC module, the output end of the voltage measuring module is connected to the main control module, and the main control module is connected with an external upper computer. The method is applied to the technical field of electronic product PCBA mainboard testing. 本发明旨在提