This the step by step build-up.
You need to get at teabag containment, I got a wooden one, which has four compartments. I used thin plywood and screws to build the holdings for the scales.
Take out the separators and cut off a small portion on the lower end to give way for the cables. The pre-assambly shows the all the electronics already connected and ready to put in place.
Getting the electronics in place and get ready for the cableing.
Next step put the scales into place and close the lid. Done.