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Author Topic: Optoisolated printer port interface  (Read 991 times)
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hobbycnc
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« on: January 23, 2008, 09:11:16 21:11 »


 Optoisolated printer port interface for CNC or other use, PCB and Bill of Material

 http://www.fisertek.it/index_000042.html
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avralam
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« Reply #1 on: January 23, 2008, 11:46:59 23:46 »

Schematic and PCB in English and Eagle!
http://www.ottop.republika.pl/optolpt.shtml
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chronus
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« Reply #2 on: February 06, 2008, 01:27:09 01:27 »

Put an H11A1 on each of the data lines, cheap and easy. Digikey 50 cents a piece or so, I believe their also rated for up to 7500 volts isolation Smiley

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