It looks like he's using the TLC5940, and I dont see any decoupling caps in the BOM. I cant say for certain that every time absolutly... and there is precious little documentation, but the rumor going around is that you should use a 47uf cap on each chip.
hey sorry for bringing this post back :-P quick question.. i order the wrong type of LED's (common cathode) .. and i soldered as specified in this instructable http://www.instructables.com/id/4x4x4-RGB-LED-Cube/ ... how hard and what can i do to convert this from a common anode to a common cathode cube??? any help would be greatly appreciated .. even if anybody can just point me in the right direction.. thanks!
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