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what pin can I remove? #57

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senadir opened this issue Apr 21, 2019 · 1 comment
Open

what pin can I remove? #57

senadir opened this issue Apr 21, 2019 · 1 comment

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@senadir
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senadir commented Apr 21, 2019

I'm limited to 7 pins for now, can I possibly skip something like IRQ and what would I lose
@kevinvalk kevinvalk mentioned this issue Oct 5, 2019
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@bluepuma77
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You might want to check if there is an older version which does not use IRQ. You can also check library mfrc522 with this example without IRQ, which usually has increased CPU utilization.

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@bluepuma77 @senadir