Strain gauge reading on arduino


I'm planning to set up a full bridge arrangement on a steel rod at 45 degrees for torque measurement, and I want to provide the strain gauges with a 5V excitation (or whichever one gives the best results through an arduino). The voltage read (through the arduino environment) should be amplified, but I am not sure how to configure an amplifier on an arduino, or which to choose. Any useful pointers?

I found something similar done, but not sure how relevant it is given that the load cells are more standardized:



That link looks like an execllent starting point for your project. Lots of user comments there that might also be helpful.