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Diffstat (limited to 'docs/library/machine.Pin.rst')
| -rw-r--r-- | docs/library/machine.Pin.rst | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/docs/library/machine.Pin.rst b/docs/library/machine.Pin.rst index 05ceb4ad3..387d0f73f 100644 --- a/docs/library/machine.Pin.rst +++ b/docs/library/machine.Pin.rst @@ -191,7 +191,8 @@ Methods The arguments are: - ``handler`` is an optional function to be called when the interrupt - triggers. + triggers. The handler must take exactly one argument which is the + ``Pin`` instance. - ``trigger`` configures the event which can generate an interrupt. Possible values are: |