Mindboards

Well, thanks for the attempt to help, but the problem is is that I do NOT have the original software for RIS or VC, so I'll have to do with Bricxcc, or in case that someone sends me a correct SDK 2.5 program (I am trying to use that program too, but till now none of my own typed programs work, only ...

Maybe it is a good idea to put in codes to control RCX with vision command, I am trying it much now but I don't have any idea how to do this.

Well, I'm a new user to RCX and VC, but already using the bricx command center since I got this second hand (if you know what I mean), but without software. So that was a good option, I made my first programs in it, but now I am at this point. So I want to let my robot drive in circles until it sees...