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IMG_0377 | by 74hc595
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IMG_0377

The whole setup; monitor (a Leader LBO-51MA XY display, though an oscilloscope with a Z axis input would work), PS/2 keyboard, circuit, and SparkFun USB-serial adaptor connected to my Linux PC.

 

The circuit on the breadboard is an older, less refined design. The next photo is a shot of the updated circuit.

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Taken on February 14, 2010