[elaus]

This [1] page talks about 500 EUR per display which would result in about 3000 EUR for a 3x3 grid or 1.27 EUR per pixel.

I love the idea but that's WAY to expensive for me.

[1] https://hackaday.io/project/159415-flip-dot-display-diy-cont...

[lanewinfield]

Each board is, as of this year, 220 EUR per 7x28 panel. Still expensive! But specialized.