A few months ago, [Marco] picked up a cheap, cheap, cheap laser engraver from one of the familiar Chinese resellers. It’s a simple affair with aluminum extrusions, a diode laser, and a control board ...
If you are interested in an idea of a circuit and you would like to fabricate it as a printed circuit board (PCB), you will need an online PCB prototype service called EasyEDA. EasyEDA is specialist ...
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