I've been experiencing some issues with the sonar sensor. It sometimes sense short distances when there is nothing in its front.
The scenario is the following: emmiter and receiver quite close to the table floor. Some other NXT's around using sonar sensor as well, but pointing to other directions, not agains the one I'm using.
I'm guessing the lights (fluorescent) can be messing with the sensor by the reflection occured near the table's floor. Can it be the problem? Could there be any programming way to calibrate/overcome somehow this situation, like configuring signal frequences (just blind shot
Another question. Would EOPD HiTechnic sensor be a more robust solution?