Is there a zero-sound / non-mechanical keyboard? (Like a tablet, but a keyboard; no "teamviewers" crap required for the receiving device.)
Try searching for "capacitive keyboard" perhaps? Such devices do seem to exist for medical and industrial use but are rather expensive.<p><a href="https://gett-na.com/collections/glass-industrial-keyboards/products/full-size-capacitive-panel-mount-keyboard-with-a-glass-surface-numeric-keypad-and-integrated-touch-pad-kr23221" rel="nofollow">https://gett-na.com/collections/glass-industrial-keyboards/p...</a><p><a href="https://keetouch.eu/es/kb-000-inw0s002" rel="nofollow">https://keetouch.eu/es/kb-000-inw0s002</a>