2017. október 23., hétfő

StepTest 2.

Finally I finished my StepTest project.
Here is the proper schematic diagram:

The PCB design:

I ordered it from SeeedStudio, so the professionally made board is also in my hands:

The built electronics:

Actually the design is not as good as it can be. I rather like my things in enclosed boxes. Here it wasn't an option as I need to access to the current limiting potentiometer.
And finally in working:

Just additional video (it is made with the prototype on the breadboard), what this small circuit is usable for:

I've a better device in my mind, I may build it sometimes.

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