|As the need for high efficiency in power supplies increases, so does the need to test and verify the designs of the supplies. To test the design, efficiency, and reliability of a low-voltage, high-current power supply, an accurate and stable electronic load is needed. The suitable electronic load needs to be able to sink a large amount of current at a low voltage, have a selectable resistance, and be reliable over a wide temperature range. The load board also needs to interface with a computer for automated testing to help remove the human element from the experiment to provide consistent results. Many times, especially for a high current sinking load board, the electronic load is expensive. Thus the need to create an electronic load board that meets all of the requirements while being less expensive than a commercial load. This thesis presents the process of designing, building, and testing an electronic load board for testing low-voltage, high-current power supplies. There are four designs and revisions covered and the differences between them. While the first revision merely added a control board to the first design, revision two was a completely stand-alone device which has undergone extensive testing and calibration to ensure the board's accuracy.