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P7126082a | by fotoopa
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P7126082a

Thanks to the help of my wife, today all PCB have etchings. As with black and white photography, there is exposed first (here UV light during 3.75 min), followed by developing ( 40 sec), and final etching (5 to 10 min). Then, the drilling of the printed circuit boards can begin. All these boards are for the new power LED flash module.

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Uploaded on July 12, 2016