Can I use two ultrasound sensors at a time?
theres a single shot mode (at least when using NXC, NXT-G is very limited in fuctionality) for ultrasonic sensors. if you use that and don't read from two sensors at the exact same time, you can pass around interferences. to read more about that, please take a look at:


http://www.mindsensors.com/forums/viewtopic.php?f=5&amp;t=134
http://social.msdn.microsoft.com/Forums/nl/roboticstroubleshooting/thread/81a4680d-20a7-46bc-bdba-e7041566c93c