Hi all, I running a Mega 2560, to run a 16x16 LED Matrix. Transistors control each row and column, and there are 100k resistors to limit current to the board. Here's a schematic. http://i.imgur.com/nhjtxMx.png I was hoping to Direct Drive the matrix as seen here. Arduino Playground - DirectDriveLEDM…

Help Coding a Direct Drive LED Matrix

system April 12, 2014, 9:37pm 3

Any explanation for the lack of brightness? It seems to predictably fade after the first 5 rows?

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