aluminium type strain gauge 120ohm. The strain gauge is used as resistance in wheatstone bridge. Any changes in resistance will cause changes in output voltage of the wheatstone bridge.
I test it by attaching the strain gauge to any bend materials. So i bend it, the resistance changes gave me 121, 123, 140, 170 ohm. Sometimes, in the same bending angle, the resistances i got are different.
so i wanna try another method to differentiate the weight...Or do u know, how to implement strain gauge to get accurate resistance changes??
Thanks...