This is not a SFW instance. NSFW communities will be tagged, and efforts will be made to keep SFW communities clean, but proceed at your own comfort level.
most electronics breadboards and the pins from (non-tiny) microchips / ICs are spaced at 2.54mm apart, which i eventually realised is a tenth of an inch.
Decimal inches?

most electronics breadboards and the pins from (non-tiny) microchips / ICs are spaced at 2.54mm apart, which i eventually realised is a tenth of an inch.
hey none of that mathematics witchery here dude. we guesstimate or we do nothing (and i’m too tired to guess)