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.. highlight:: cpp
.. _lang-toggleled:
toggleLED()
===========
*Toggle* the built-in LED: switch it from off to on, or on to off.
Library Documentation
---------------------
.. doxygenfunction:: toggleLED
Example
-------
.. _lang-toggleled-example:
This example sets up the board's LED pin for output, then toggles the
LED every 100 milliseconds::
void setup() {
pinMode(BOARD_LED_PIN, OUTPUT);
}
void loop() {
toggleLED();
delay(100);
}
See Also
--------
- :ref:`BOARD_LED_PIN <lang-board-values-led>`
- :ref:`togglePin() <lang-togglepin>`
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