We tried for maze solving robot using flood fill algorithm at IIT Bombay in micromouse competition...
We used simple topdown sensors & reached in semifinal..
Algorithm used was Floodfill to solve 16*16 maze
Entire description at..
http://mahavir.coep.googlepages.com/micromouse[youtube]http://www.youtube.com/watch?v=AnK7FaLOdXc [/youtube]
Regards
Mahavir