My (old, obsolete) car's knobs not only stop completely at the extremes, but they aren't truly continuous but have "stops" every half degree that you can feel i

My (old, obsolete) car's knobs not only stop completely at the extremes, but they aren't truly continuous but have "stops" every half degree that you can feel in your hand while turning them without looking at them at all. That's too ... physical ... for modern designs, I guess?