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by mschuster91 335 days ago
> I suspect their must be a lot of variance between laptops, since this isn’t an intended use case.

Yeah and so it is for ordinary strain gauges aka load cells. You can either use a 2 point calibration (aka no load followed by known load) or if you want more precision a 3 point calibration.

[1] https://en.wikipedia.org/wiki/Load_cell