i need idea

Is there any sensor that can detect ball?? Any suggestions for me?? I am want to do a project on detection ball out from field??

camera?

@aniqabqari

Moved your topic to a more suitable section.

You may want to READ THIS for future reference.
It will help you get the best out of the forum.

Bob.

Pixy (though it has a problem distinguishing circles and spheres)

The NHL has camera that automatically follows the hockey puck. So, it would seem, it would be possible to automatically follow a ball around with electronics. Reads like a fun project, hope you got a big budget.