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What does the "19.01" mean? (i.imgur.com)

submitted 2 years ago by [email protected] to c/[email protected]

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I've seen different numbers in the same font on many circuit boards. What does it typically mean?

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[–] [email protected] 1 points 2 years ago* (last edited 2 years ago)

I'm not sure! If I had to hazard a guess, it would be that the board was assembled on Jan 2019. Or I guess 19th January, technically (although this seems less likely, it makes more sense to indicate the year I think).

It could also be the batch number or assembly line number, but it seems more likely to be a date.

The board version (V2.2) and some form of product identifier (DK001-D) already seem to be there, so those are ruled out.