Hello I have one troble. I am trying to amplify small voltage signal from a strain gauge that is approx -0,50 mV to 50 mV. I need to amplify to 0-5V so I can sample on the arduino bord. I have connect 2 op-amp togeter (LM324N) and I don´t get the right result. What do u recommend? what ap-amp shul…

Amplify small voltage signal

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