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Diffstat (limited to 'source/lang/api/constants.rst')
| -rw-r--r-- | source/lang/api/constants.rst | 8 |
1 files changed, 0 insertions, 8 deletions
diff --git a/source/lang/api/constants.rst b/source/lang/api/constants.rst index 72738b8..2e968e7 100644 --- a/source/lang/api/constants.rst +++ b/source/lang/api/constants.rst @@ -61,14 +61,6 @@ pin is configured as an ``INPUT`` (using :ref:`pinMode() <lang-digitalread>`, the microcontroller will report ``HIGH`` if a voltage of 3 volts or more is present at the pin. -.. TODO? Following seems false; check it out sometime, leave out for now: - -.. A pin may also be configured as an ``INPUT`` with ``pinMode()``, and -.. subsequently made ``HIGH`` with :ref:`digitalWrite() -.. <lang-digitalwrite>`, this will set the internal pullup resistors, -.. which will *steer* the input pin to a HIGH reading unless it is pulled -.. LOW by external circuitry. - When a pin is configured to ``OUTPUT`` with pinMode, and set to ``HIGH`` with :ref:`digitalWrite() <lang-digitalwrite>`, the pin is at 3.3 volts. In this state it can *source* current, e.g. light an LED |