Man accidentally dosed with LSD while repairing ’60s era synthesizer (2019)
sanfrancisco.cbslocal.com
sanfrancisco.cbslocal.com
https://news.ycombinator.com/item?id=23535373
from 2019
Depending on the user and setting you can be absolutely buzzing off not much acid at all (particularly if you're sat still and relaxed, i.e. working with electronics), so it doesn't sound impossible.