Flip-dot panel BUSE BS 210.C

&#xA;2026-07-27: first version &#xA;2026-08-14: wireless control&#xA; &#xA; Many years ago (back in 2021) I bought a decommissioned flip-dot panel BUSE BS 210.C from the Prague public transport company. The original plan was to use it in a robotics club, but in the end that never happened. &#xA; There is no public documentation for the panel, and BUSE Blansko (the manufacturer) did not respond to…