Saturday, May 9, 2009

Arduino display shield with two 8x8 LED matrices

Apparently, the single 8x8 LED matrix in Wise Clock is not big enough to properly read scrolling messages, so my friends suggested I should make the display bigger.
With minimal changes (hardware and software), I was able to meet their "requirement". So, instead of a bi-color (red/green) matrix, I connected 2 single color (red) matrices to the same shield. Next step was to modify the sketch to use the bigger field.

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