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8×8 Bicolor LED Matrix using MAX6964

For a long time I had a layout for this circuit, but could never build it, because the layout was to small to be made by tonertransfer. So it was the first layout I made with my new exposure unit. It’s quite small, so it fits under the LEDMatrix itself. Therefore only SMD parts are used. It took three trys to get it right. The first failed because the etching solution was to weak, took to long and caused he ...

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