04-06-2023, 12:51 AM
there is a extend serial port on KC868-A6 board. the free GPIO is GPIO12 and GPIO13, you can use for PCF8574's INT pin.
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KC868-A6 Digital input IRQ
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KC868-A6 Digital input IRQ - by Libramale - 04-04-2023, 10:51 PM
RE: KC868-A6 Digital input IRQ - by admin - 04-05-2023, 12:31 AM
RE: KC868-A6 Digital input IRQ - by Libramale - 04-05-2023, 04:13 PM
RE: KC868-A6 Digital input IRQ - by admin - 04-06-2023, 12:51 AM
RE: KC868-A6 Digital input IRQ - by Libramale - 04-13-2023, 01:10 PM
RE: KC868-A6 Digital input IRQ - by admin - 04-14-2023, 12:15 AM
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