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2 Mar 2011

konstant.in writes:

The 4×4 LED Display was my first project with a two-layer circuitboard layout. The alignment was not 100% optimal, but sufficent. I wanted to make the board as small as possible, so the parts had to be stacked at some places. The square LED’s were painted black on the sides to keep the pixels sharp.

The rows and columns are both controlled by a 4094 Shift&Store-register. The upper four bits control the coloumns and the lower four the rows. So for each frame 4 bytes have to be shifted in.

4×4 LED Display – [Link]

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