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class LED -- LED object
=======================
The LED object controls an individual LED (Light Emitting Diode).
Constructors
------------
.. class:: pyb.LED(id)
Create an LED object associated with the given LED:
- ``id`` is the LED number, 1-4.
Methods
-------
.. method:: led.intensity([value])
Get or set the LED intensity. Intensity ranges between 0 (off) and 255 (full on).
If no argument is given, return the LED intensity.
If an argument is given, set the LED intensity and return ``None``.
.. method:: led.off()
Turn the LED off.
.. method:: led.on()
Turn the LED on.
.. method:: led.toggle()
Toggle the LED between on and off.
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