https://hackaday.com/2023/01/08/recreating-a-numpad-for-the-adm-3a/
Recreating A Numpad For The ADM-3A | Hackaday
Jan 8, 2023 - [Evan] already had a working ADM-3A (a dumb terminal from 1976) but was starting to eye the accessories hungrily. He had only seen the numpad on Wikipedia and...
for theadm 3arecreatingnumpadhackaday