Use GPIO pin 4.
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@ -274,7 +274,7 @@ defmodule Augie.Device.PCA9641 do
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def bus_address, do: config() |> Keyword.get(:address, 0x70)
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def interrupt_pin,
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do: config() |> Keyword.get(:interrupt_pin, {Augie.IOPin.GPIO, :start_link, [7, :input]})
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do: config() |> Keyword.get(:interrupt_pin, {Augie.IOPin.GPIO, :start_link, [4, :input]})
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defp attached_devices do
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bus_name()
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