http://www.RoboRealm.com/ The newest forum threads. Tue, 30 Nov 1999 00:11:00 EST en-us Copyright: (C) RoboRealm, http://www.RoboRealm.com/ http://www.RoboRealm.com/ You need to determine what device you will use to accept communication from the PC to actually change a voltage level. For example, many people use the Arduino for exactly such a task ... but there are many other devices that can be used to do that. Basically, you first need to select an appropriate device (cost, size, functionality) and then determine how to communicate with it (either using a module already in RR or using the Serial/USB modules).<br><br>STeven. http://www.roborealm.com/forum/index.php?thread_id=5971 http://www.roborealm.com/forum/index.php?thread_id=5971 Tue, 30 Nov 1999 00:11:00 EST If I detect something' in a Live streaming video and I want to glow a LED... How can I do this http://www.roborealm.com/forum/index.php?thread_id=5971 http://www.roborealm.com/forum/index.php?thread_id=5971 Tue, 30 Nov 1999 00:11:00 EST