4 ms·
https://www.aliexpress.us/item/3256805789824743.html https://www.aliexpress.us/item/3256805789824743.html is neat, but has limited configuration options. Maybe
by vgeek 3y ago
https://www.aliexpress.us/item/3256805789824743.html https://www.aliexpress.us/item/3256805789824743.html is neat, but has limited configuration options.
Maybe Nixie tube clocks or e-ink displays?