As the name say this is a diy 7-segment display. Is controled by a slave arduino and is made with a 3d printer at 125x85mm.<br><br>If you need such a display you can find more details here <a target="_blank" rel="noopener noreferrer" href="http://www.roroid.ro/7-segment-display-diy/">http://www.roroid.ro/7-segment-display-diy/</a> related construction.<br><br>Also a video with the project <a target="_blank" rel="noopener noreferrer" href="https://youtu.be/nN2mfUvJYrw">https://youtu.be/nN2mfUvJYrw</a>