Universal Digital Timer 4. - Proof of Concept

I started the development of the counter. First of all I should proof if I can create a display/button matrix which can handle the two display digit and the two pushbuttons.
I picked the double multiplex display a fist of diodes and pushbuttons and a launchpad.
Here is the result:

I've topped the original expectations 8 digi + 8 pushuttons instead of 2 + 2.