The holoprojectors - 1

The holoprojectors are standard features of an Astromech. I kept the original design from mr Baddeley as it's of course perfect for his R2D2 dome design. The frontal one will also move for sure, but I'm still not sure if it's worth for the other two...

The logic displays - 1

For the logic displays on the web you can find several solutions, but in the end you just need to use tons of leds. Unfortunately I hate soldering, so I wish to keep it at minimum.

I found a nice (for me) solution.