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Author Topic: Need help making a custom barcode reader  (Read 1570 times)
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I don't think you connected the grounds, Dave.
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Code:
attachInterrupt(0, Poort, CHANGE);
Do NOT put serial I/O in interrupt routines.
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what should i do instead?
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I don't think you connected the grounds, Dave.
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Instead of deliberately making it not work?
Remove serial I/O from the interrupt service.


Have you tried here?
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nop, thank you il ask there!
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