Is there a way to give some sort of indication, through the controller, when a limit switch has been pressed?
is there a specific reason you want an indication because if a limit switch has been closed and setup correctly, the applicable motor/motion should just stop
As far as I am aware the Vex command module is entirely incapable of transmitting signals and the Vex Controller is entirely incapable of receiving signals. For both of these reasons I believe it is not possible. However you could do something in programming to react to a limit switch being pressed down.
You can also get a reading on the switch using the Online Window (from the Build and Download menu). However, if you’re trying to see whether a specific action of your program triggered the switch, nonother’s suggestion is the way to go.