The gpio interface
gpio allows access to a specific GPIO pin. The interface is restricted because it provides privileged access to GPIO hardware.
number(slot): GPIO pin number to export and expose to consuming snaps
Snaps that want to consume a gpio device simply
plugs: [ gpio ] and the gpio device to connect is specified during interface connection. Available gpio devices for the system can be seen with
snap interfaces. Once connected, the consuming snap can use the device via
N is the pin number specified by the connected slot.
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