The opamp is one of the most important analog components. It has so many functions its hard to name them all, but in this video I cover the most popular use cases.

Links
Buffer: https://sinelab.net/img/diy_op_amp/bu...
Differential Amplifier: https://sinelab.net/img/diy_op_amp/di...
Integrator: https://sinelab.net/img/diy_op_amp/in...
Inverting Buffer: https://sinelab.net/img/diy_op_amp/in...
Supply Splitter: https://sinelab.net/img/diy_op_amp/su...
OpAmp: https://sinelab.net/img/diy_op_amp/sc...
My Website: https://sinelab.net