I once wrote A* in LabVIEW for a robot.

It was a competition sponsored by National Instruments, so the code was supposed to be in LabVIEW. Another person wanted to write it as a C plugin, but I thought that was cheating.

There's A* built into LabVIEW, but it's for completely generic graphs so it takes a lot longer to run. The rewrite brought it from about 10 seconds to compute a path, down to about 0.5 seconds.