Hi. I have an arduino UNO R3 and I was trying to make a laser engraver from cd-rom spare parts, as I read at instructables site (if there is not problem, I can upload the link of the constraction's topic). But something went wrong at the constraction of the laser drive circuit and it seems it ruin…

Problem with lmv358 and usb at UNO

system December 14, 2012, 4:18am 5

Oups, sorry my mistake, it's 4.96V

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