I'm going to start working with the .datalogger class this weekend. I've found time in my projects to get back to the PID balancer that is in my book. The settings were bad last time I tried, so I am going to give it another go and want a decent way to tune the variables. I could just putz around with them and eventually find the results, but I'd rather use the data logger to track the error signal and the output and see where we go from there. That way I can get a better handle on what is going wrong.

Aside from that the projects are going well. I'm going to start working with the Navigation class that allows you to use commands like .goto(x,y) to navigate a path. I'm not sure what I am going to do with that, and I have yet to figure out how I want to use that my course (unless I wait until next year, but where is the fun in that?). The topics I have left are circuits, magnetism and optics. Unless I find something to do with a vision camera, I don't know how I am going to fit the NXT in there to do anything more than my LabQuest can do. But when I get to mechanics again next year I think I will be well prepared to use the NXT a ton.