Scullcom Hobby Electronics #45 – Electronic DC Load Part 1

In this project we will design an build an Electronic DC Load which is capable of Constant Current, Constant Power and Constant Resistance. The design will use a rotary encoder for input entry and a 20×4 LCD display as the user interface. In Part 1 of this project we will discuss the basic design and then build and test the initial prototype.
Below are links for the prototype software plus a zip file with the schematic, PCB artwork and component layout:

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