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This is my Tic-Tac-Toe playing robot controlled by a Picaxe 08M . It plays a perfect game as long as it goes first and it always goes first . It is a work in progress so it doesn't look very good right now . It uses plastic beads as the machines play pieces . It will use steel ball bearings as the human play pieces, but I don't have any right now so I'm using some fishing sinkers . The algorithm for playing came from an article in the December 1971 issue of Radio Electronics ...
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