Electronic Design

Signal Conditioning with Force-Sensing Resistors (.PDF Download)

In one current design project, I’m working on an application that requires force sensing with a moderately high dynamic range, but not necessarily high absolute accuracy. That is, I need to be able to see small changes in a fairly large force, but I don't need tight absolute accuracy of the total force measurement. I need to look for changes on the scale of hours or days, so simply ac-coupling is not an option. The fancy strain-gauge units are out of the question due to cost

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