I think photos say more than a thousand words.
Please post any questions about the photos in the comment form at the bottom.
I’ll respond as quickly as possible.
(Please, don’t email. By posting your question on this page others can learn from it too.)
(The form can also be used to request more photos; please specify what you want to see on the photo.)
BTW, I’m not using Arduinos, but Shrimps.
You can see them turned upside down at the photos, this was the easiest way to connect them to the stripboards (they can be removed also).
For the interface board I used two of them, connected with I2C. This way I have enough pins for all the LED’s and blocks.
[Click on a photo for a larger version.]
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