Project: Active load with microcontroller – Part 3: Schematic, layout and pictures

This is a follow-up post to my previous project page Part 2 (Hardware design details).

In this post I briefly present the full schematic and PCB layout of this project. As a proof that I actually built this device, there are also some pictures included at the end of the post. 😉

Full schematic and PCB layout

The schematic and layout has been drawn with KiCad 4. The full schematic is attached below (as PNG image, PDF and KiCad’s native format). The layout is not depicted in this post, it should be opened with KiCad directly for clarity.

Active Load v1 schematic
Active Load v1 schematic

Active Load v1 schematic (PDF version)

ActiveLoad v1 KiCad files (including PCB layout)

You can also find the latest version of the schematic and the PCB in my GitHub repository.

Pictures of the finished device

Read further on as I describe the firmware part of the project in part 4.

By André Heßling

I am an electronic engineer living in Voerde, Germany.


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