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Great method of PCB reverse engineering by using a Photoshop

Rriccibitti has sent us his latest work on reverse engineering of simple keypad circuit. The solution seems to be very simple but effective. He used a digital camera to take a picture of the printed circuit board and a photo editing software to track PCB traces with different colors. OK, for this one, he used Photoshop to have lots of valuable tools that make this work much more manageable. To be more specific, let us see what he’s done:

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