hi, yes it an error i did exactly as your circuit above show but without connect the the Vref. and it worked.
by connecting it did nt worked.
thank ill try to do what you said. thank you very much. have good day.
Hi Ericgibbs, goodmorning.
What you said about Vref is true. I receive now a good result. By connecting the Vref with the ground, i receive 0V at the output without load the force sensor.
When i load it the voltage value increase.
Thank you again.
looking good