Hello, I’m trying to use an op amp in my project and I’ve tried using an LM324, and a few others and they just dont seem to work for me. Obviously I’m doing something wrong, but its not obvious to me. I’ve looked at plenty of implemented circuits and watched a bunch of youtube videos explaining them, but for me to apply it, it aint working.
As a starting point, I just want to hook it up and watch it work.
I’ve hooked up a TL082 op amp, I have a voltage divider with a potentiometer as my input voltage (so I can watch the gain in action), and I have R2 set at 1k ohms and R1 set at 8.2k ohms, which if Im doing my match right, should give me a gain of ~9.
Attached is a picture of my circuit in use. No matter what I set the potentiometer to, I still am getting a constant reading of 4v. Even if I just straight up hook the Non-inverting input to ground, still gives me 4v.
I would greatly appreciate any assitance in helping me getting such a simple circuit to work. I’ve been banging my head for a while now.