k-ww wrote:For an idea of what parameters are spec'd by load cells [the part that converts weight to an electrical signal that still needs to be amplified / converted to digital], take a look at the sensor parameters [towards middle of webpage] for this item:
http://www.ebay.com/itm/10-20-40Kg-Elec ... SwstxVRtFR
I would end up using a 40Kg or higher rated one, to allow for some leeway in what you are weighing.
I've seen low range ones screwed up because a weight was dropped instead of placed on them.
To better consider design trade-offs, what are you trying to do with the scale, and what is the environment?
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