In general, strain gauges will require a more complex setup than a simple op-amp. I think you want an "instrumentation amplifier" (which used to be built out of several op-amps, but now you can get as a single chip.) I'm not sure of the details...
In general, strain gauges will require a more complex setup than a simple op-amp. I think you want an "instrumentation amplifier" (which used to be built out of several op-amps, but now you can get as a single chip.) I'm not sure of the details...