An inner view of the frame with the black mask to adapt the size.
Another assembling step
Final assembling
Board mounted on panel
Close up
Back panel
ICD3 connected to ICSP port
A sequence that shows how the different layers are put on top each other, starting from light diffusion sheets and then different letters masks to achieve enough contrast
update on 25-08-2014
Word Clock
Final Assembly
A commercial 25x25cm frame with enough depth to contain everything
Letters mask mirrored to enhance the black. Doubled and mirrored on transparent paper. The ink side is to the inner to be protected from scratch.
The final mask with a different characters font (high resolution)